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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#413532#6746. Merge the RectanglesHHY_zZhu#AC ✓220ms97576kbC++203.6kb2024-05-17 17:57:002024-05-17 17:57:00

Judging History

你现在查看的是最新测评结果

  • [2024-05-17 17:57:00]
  • 评测
  • 测评结果:AC
  • 用时:220ms
  • 内存:97576kb
  • [2024-05-17 17:57:00]
  • 提交

answer

template<class T,class T2> int chkmn(T &a,T2 b){return a>b?a=b,1:0;}
template<class T,class T2> int chkmx(T &a,T2 b){return a<b?a=b,1:0;}
#include <bits/stdc++.h>
using namespace std;
#define V vector
#define all0(x) (x).begin(),(x).end()
#define all1(x) (x).begin()+1,(x).end()
#define pb push_back
#define eb emplace_back
#define fi first
#define se second
#define lb lower_bound
#define ub upper_bound
#define cin std::cin
#define cout std::cout
typedef long long LL;
typedef pair<int, int> pi;
typedef pair<LL, LL> pl;
#ifdef LOCAL
#include "C:/Users/lijia/Desktop/vscode/algo/debug.h"
#else
#define debug(...) 42
#endif

const int MN = 1500 + 10;//MaxN 记得改一下
const int INF = 2e9+1000;//INF
const LL INFLL = 8e18+1000;//INF long long 
mt19937 mrand(random_device{}());
//模板区域~~~~~~~

//模板结束~~~~~~~
int use[2][MN][MN][2];

void solve() {
    int n, m; cin >> n >> m;
    V<string> hor(n + 1);
    V<string> ver(m + 1);
    for(int i = 1; i <= n - 1; i++) {
        cin >> hor[i], hor[i] = " " + hor[i];
    }
    string tot1 = " ";
    for(int i = 1; i <= m; i++) tot1.pb('1');
    hor[0] = hor[n] = tot1;
    for(int i = 1; i <= m - 1; i++) {
        ver[i].resize(n + 1);
    }
    for(int i = 1; i <= n; i++) {
        string s; cin >> s;
        s = " " + s;
        for(int j = 1; j <= m - 1; j++) ver[j][i] = s[j];
    }
    tot1 = " ";
    for(int i = 1; i <= n; i++) tot1.pb('1');
    ver[0] = ver[m] = tot1;

    // for(int i = 0; i <= m; i++) cout << ver[i] << endl;

    queue<array<int, 3>> que;

    auto upd = [&](int t, int x, int y, int dy, int mxd) {
        // cout << t << " " << x << " " << y << " " << dy << " " << mxd << endl;
        int chg = dy;
        if(dy == -1) chg = 0;
        while(y >= 0 && y <= mxd) {
            if(use[t][x][y][chg]) return;
            if(t == 1 && ver[x][y] == '0') return;
            if(t == 0 && hor[x][y] == '0') return;
            // cout << "solve" << t << " " << x << " " << y << chg << endl;
            use[t][x][y][chg] = 1;
            if(use[t][x][y][0] && use[t][x][y][1]) que.push({t, x, y});
            y += dy;
        }
    };

    for(int i = 1; i <= m; i++) {
        que.push({0, 0, i});
        use[0][0][i][0] = use[0][0][i][1] = 1;
        que.push({0, n, i});
        use[0][n][i][0] = use[0][n][i][1] = 1;
    }

    for(int i = 1; i <= n; i++) {
        que.push({1, 0, i});
        use[1][0][i][0] = use[1][0][i][1] = 1;
        que.push({1, m, i});
        use[1][m][i][0] = use[1][m][i][1] = 1;
    }

    V<array<int, 3>> dir = {{0, 0, -1}, {0, 1, 1}, {-1, 0, -1}, {-1, 1, 1}};
    while(que.size()) {
        auto [t, x, y] = que.front();
        swap(x, y);
        que.pop();
        for(auto [dx, dy, ddy] : dir) {
            int mxx = n, mxy = m;
            if(t == 0) swap(mxx, mxy);
            if(dx + x > mxx || dx + x < 0 || dy + y <= 0 || dy + y > mxy) continue;
            upd(t ^ 1, dx + x, dy + y, ddy, mxy);
        }
    }
    
    bool ok = 1;
    for(int i = 1; i < n; i++) {
        for(int j = 1; j <= m; j++) {
            if(hor[i][j] == '1' && !(use[0][i][j][1] && use[0][i][j][0])) ok = 0;//, cout << 0 << " " << i << " " << j << endl;
        }
    }
    for(int i = 1; i < m; i++) {
        for(int j = 1; j <= n; j++) {
            if(ver[i][j] == '1' && !(use[1][i][j][1] && use[1][i][j][0])) ok = 0;//, cout << 1 << " " << i << " " << j << endl;
        }
    }
    cout << (ok ? "YES" : "NO");
}
int32_t main() {
#ifndef LOCAL
    ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
#endif
    int tt=1;
    //cin >> tt;
    while (tt--) 
    solve();
}

詳細信息

Test #1:

score: 100
Accepted
time: 1ms
memory: 5700kb

input:

3 4
0000
0111
101
101
110

output:

YES

result:

ok answer is YES

Test #2:

score: 0
Accepted
time: 1ms
memory: 7724kb

input:

3 3
110
011
01
11
10

output:

NO

result:

ok answer is NO

Test #3:

score: 0
Accepted
time: 4ms
memory: 10380kb

input:

1500 1500
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

YES

result:

ok answer is YES

Test #4:

score: 0
Accepted
time: 135ms
memory: 97488kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #5:

score: 0
Accepted
time: 71ms
memory: 53916kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #6:

score: 0
Accepted
time: 73ms
memory: 53360kb

input:

1500 1500
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

YES

result:

ok answer is YES

Test #7:

score: 0
Accepted
time: 133ms
memory: 97576kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

NO

result:

ok answer is NO

Test #8:

score: 0
Accepted
time: 21ms
memory: 44020kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

NO

result:

ok answer is NO

Test #9:

score: 0
Accepted
time: 26ms
memory: 43756kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

NO

result:

ok answer is NO

Test #10:

score: 0
Accepted
time: 149ms
memory: 77392kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #11:

score: 0
Accepted
time: 147ms
memory: 77380kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #12:

score: 0
Accepted
time: 157ms
memory: 70660kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #13:

score: 0
Accepted
time: 150ms
memory: 72868kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

NO

result:

ok answer is NO

Test #14:

score: 0
Accepted
time: 138ms
memory: 43688kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #15:

score: 0
Accepted
time: 150ms
memory: 44032kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #16:

score: 0
Accepted
time: 220ms
memory: 72732kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

NO

result:

ok answer is NO

Test #17:

score: 0
Accepted
time: 203ms
memory: 72692kb

input:

1500 1500
01111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

NO

result:

ok answer is NO

Test #18:

score: 0
Accepted
time: 145ms
memory: 43776kb

input:

1500 1500
10111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #19:

score: 0
Accepted
time: 128ms
memory: 43996kb

input:

1500 1500
01111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #20:

score: 0
Accepted
time: 147ms
memory: 69728kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

NO

result:

ok answer is NO

Test #21:

score: 0
Accepted
time: 134ms
memory: 65372kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

NO

result:

ok answer is NO

Test #22:

score: 0
Accepted
time: 141ms
memory: 43820kb

input:

1500 1500
01111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #23:

score: 0
Accepted
time: 143ms
memory: 43760kb

input:

1500 1500
10111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #24:

score: 0
Accepted
time: 202ms
memory: 72984kb

input:

1500 1500
01111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

NO

result:

ok answer is NO

Test #25:

score: 0
Accepted
time: 186ms
memory: 72856kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

NO

result:

ok answer is NO

Test #26:

score: 0
Accepted
time: 142ms
memory: 43816kb

input:

1500 1500
01111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #27:

score: 0
Accepted
time: 140ms
memory: 43800kb

input:

1500 1500
11011111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #28:

score: 0
Accepted
time: 132ms
memory: 71308kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

NO

result:

ok answer is NO

Test #29:

score: 0
Accepted
time: 148ms
memory: 58284kb

input:

1500 1500
00010000000000011110111101011011110011001110011110011101111011110111000111000110001101111011110101100011011110111101000011110111101110011110000001111011110111101111011100111100110000010110101111011110110000000001100011101111011000011001111011100110001111011110011101111011110111100000011110...

output:

YES

result:

ok answer is YES

Test #30:

score: 0
Accepted
time: 151ms
memory: 58344kb

input:

1500 1500
11100111101111011110000101000011110011101111001000001101111011110111000100011110110100101000000011001110000110111101110011110111101111011110111001000011110110001111001010110000011011110110001111010010111101111011110111000000001110111101111001010111000111000000110000000011000111000001011110...

output:

YES

result:

ok answer is YES

Test #31:

score: 0
Accepted
time: 136ms
memory: 57920kb

input:

1500 1500
11110111101111011110111101111001110000000111011110111101110011100111101101011000111100000000000111101111011110000001110000010111101000011100111101101001100110001111011110100001111011110101101110011000000001110011110111101110001100111101111011110000100000011010111101111011010111101110000000...

output:

YES

result:

ok answer is YES

Test #32:

score: 0
Accepted
time: 153ms
memory: 48816kb

input:

1500 1500
11100000000000000011100000000000000000000001110000000000000000000000000000000000000000000000001110000000000000000000000000001110000000000000000000011100000000111100000011100000011100000000000000000000000000000000000000000011100000000000000000000000001111000000000000000000000000000000000000...

output:

NO

result:

ok answer is NO

Test #33:

score: 0
Accepted
time: 146ms
memory: 48784kb

input:

1500 1500
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000111000000000000000000000000000000000000000000000000011100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

YES

result:

ok answer is YES

Test #34:

score: 0
Accepted
time: 155ms
memory: 48892kb

input:

1500 1500
00011100000001111000000000000011111100000000000000000000000000000000111000000011100000000001110000111111000000000000000001111000000000000000011110000000000000000000000000000000000000111111001110000000000000001111000000000000000111000000000000000000000000000000111000000000000111000000000000...

output:

YES

result:

ok answer is YES

Test #35:

score: 0
Accepted
time: 151ms
memory: 48836kb

input:

1500 1500
00000000000000000011100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001110000000000000000000000000000000011110000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000011100000...

output:

NO

result:

ok answer is NO

Test #36:

score: 0
Accepted
time: 149ms
memory: 48672kb

input:

1500 1500
00000000011100111100000000000000000000000000000000000000000000000000000111000000000000001110001110000000000001111111101110000000000000000000001111000000011100000000000000000000000000000000000000000011100000111000000000000000001111000000000000000000000000000000000011111000000000000000000000...

output:

NO

result:

ok answer is NO

Test #37:

score: 0
Accepted
time: 160ms
memory: 48768kb

input:

1500 1500
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000001110000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000011100000000000000000000000...

output:

YES

result:

ok answer is YES

Test #38:

score: 0
Accepted
time: 152ms
memory: 48884kb

input:

1500 1500
00001110000000000000000011100000000000000000000000000000000111100000000000001111000111000000000000000000000000111000000000000000000000000000000000000000000000000000000000011100000000000000000000000000000111000000000000000000000011100000000011100000000000000001110000000000000000000000000000...

output:

YES

result:

ok answer is YES

Test #39:

score: 0
Accepted
time: 149ms
memory: 48808kb

input:

1500 1500
00000000000000000000000000000000000000000000000000000000000000000000000000000000111000000000000000000000000111000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

NO

result:

ok answer is NO

Test #40:

score: 0
Accepted
time: 149ms
memory: 48572kb

input:

1500 1500
00000000000000011100000000000000000000000000000000000000011100000011100000000000000011100011100000000000000000000000000000000000000000000000000000111000000001111000000000000000000000000000001111000001110000000000000000001110000000000000000000000000000000000000001111011100011100000000000000...

output:

NO

result:

ok answer is NO

Test #41:

score: 0
Accepted
time: 150ms
memory: 48512kb

input:

1500 1500
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

YES

result:

ok answer is YES

Test #42:

score: 0
Accepted
time: 150ms
memory: 48872kb

input:

1500 1500
00011100000001111111000001111111000011110000000111000000000000011100000000111000000000000000001111000000000000000000000000000000011111000011110000000000000111100000000000001110000000011100001111000000001111000000000001111011110000000000000000000000000000011110000000000000000000000001110000...

output:

YES

result:

ok answer is YES

Test #43:

score: 0
Accepted
time: 147ms
memory: 48816kb

input:

1500 1500
00000000000000000000000000000000000000000000000000000000000001110000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000011100000000000000000000000000000001110000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

NO

result:

ok answer is NO

Test #44:

score: 0
Accepted
time: 151ms
memory: 48888kb

input:

1500 1500
00001110001110000011110000001111111000000000000111000001110000000000000000000000000000111000000000001110000000011111001111000000000000000000011110000000000111000000001111100000001111000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000011100000...

output:

NO

result:

ok answer is NO

Test #45:

score: 0
Accepted
time: 151ms
memory: 48888kb

input:

1500 1500
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001110000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

YES

result:

ok answer is YES

Test #46:

score: 0
Accepted
time: 139ms
memory: 48560kb

input:

1500 1500
00000000000000000000000000000000000001110000000000000000000000000000001110000000000000011100000000000000000111100000000000000000001111000000011100000000000000111100000000000000001110000000000000000000111000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

YES

result:

ok answer is YES

Test #47:

score: 0
Accepted
time: 158ms
memory: 48892kb

input:

1500 1500
00000000000000000000000000000000000000000000000000000000000000000000000000000011100000000000000001110000000000001110000000000000000001110000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000011100...

output:

NO

result:

ok answer is NO

Test #48:

score: 0
Accepted
time: 8ms
memory: 10336kb

input:

1500 1500
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

YES

result:

ok answer is YES

Test #49:

score: 0
Accepted
time: 4ms
memory: 10572kb

input:

1500 1500
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

YES

result:

ok answer is YES

Test #50:

score: 0
Accepted
time: 84ms
memory: 46640kb

input:

750 1500
111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

NO

result:

ok answer is NO

Test #51:

score: 0
Accepted
time: 92ms
memory: 44348kb

input:

1500 750
111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

NO

result:

ok answer is NO

Test #52:

score: 0
Accepted
time: 70ms
memory: 59604kb

input:

750 1500
111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #53:

score: 0
Accepted
time: 69ms
memory: 57548kb

input:

1500 750
111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #54:

score: 0
Accepted
time: 91ms
memory: 70720kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #55:

score: 0
Accepted
time: 92ms
memory: 70692kb

input:

1500 1500
01010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101...

output:

YES

result:

ok answer is YES

Test #56:

score: 0
Accepted
time: 207ms
memory: 49736kb

input:

1500 1500
11111111111110110001100000101100100110111111010111111011000111100111111111101111111110011111111111110101111111111111011111111111111111111100001100000001011001011001100001111100110000000000111111111111111111111111111111111111110111111111111111111111111000111111111111000110000011111111100011...

output:

YES

result:

ok answer is YES

Test #57:

score: 0
Accepted
time: 217ms
memory: 49324kb

input:

1500 1500
01101111111000011111111111111111111110011110011101111110000111111001111111111111111111111111111101111011101101111110001101111100001111111111111111111111000001100000110111111111110011001101111111111011100001011111100111101100001111111111111111100001111111111111011111000111111111111111101110...

output:

YES

result:

ok answer is YES