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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
#577139#5414. Stop, Yesterday Please No MorePonyHexAC ✓42ms53348kbC++204.3kb2024-09-20 08:25:272024-09-20 08:25:28

Judging History

你现在查看的是最新测评结果

  • [2024-09-20 08:25:28]
  • 评测
  • 测评结果:AC
  • 用时:42ms
  • 内存:53348kb
  • [2024-09-20 08:25:27]
  • 提交

answer

#include<bits/stdc++.h>
#define int long long
#define mod 1000000007
using namespace std;
const int N = 2020;
int n, m, k;
string s;
int xl, xr, yl, yr;

vector<pair<int, int> > nums;

int mp[N][N] = { 0 };

void solve() {
    cin >> n >> m >> k;
    cin >> s;
    int px = 0, py = 0;
    int disux = 0, disdx = 0, disly = 0, disry = 0;
    for (int i = 0; i < s.length(); i++) {
        if (s[i] == 'U') {
            px--;
        }
        else if (s[i] == 'D') {
            px++;
        }
        else if (s[i] == 'L') {
            py--;
        }
        else if (s[i] == 'R') {
            py++;
        }
        //判定位置,然后更新dis,然后判定k=n*m,k=0的情况
        disux = min(disux, px); disdx = max(disdx, px);
        disly = min(disly, py); disry = max(disry, py);
        /*
        if (disux <= -n || disdx >= n || disly <= -m || disry >= m) {
            if (k == 0) {
                cout << n * m << endl; return;
            }
            else if (k == n * m) {
                cout << 0 << endl; return;
            }
        }*/
        if (disdx - disux >= n || disry - disly>=m) {
            if (k == 0) {
                cout << n * m << endl; return;
            }
            else if (k == n * m) {
                cout << 0 << endl; return;
            }
        }
    }
    xl = 1 - disux; yl = 1 - disly;
    xr = n - disdx; yr = m - disry;//进行的最大位移
    //cout << xl << " " << yl << " " << xr << " " << yr << endl;
    int sum = (yr - yl + 1) * (xr - xl + 1);
    int x = 0, y = 0;
    nums.push_back({ x,y });
    for (int i = 0; i < s.length(); i++) {
        if (s[i] == 'U') {
            x++;
            nums.push_back({ x,y });
        }
        else if (s[i] == 'D') {
            x--;
            nums.push_back({ x,y });
        }
        else if (s[i] == 'L') {
            y++;
            nums.push_back({ x,y });
        }
        else if (s[i] == 'R') {
            y--;
            nums.push_back({ x,y });
        }
    }


    int mix = 1e18, miy = 1e18;
    for (auto p = nums.begin(); p != nums.end(); p++) {
        mix = min(mix, p->first);
        miy = min(miy, p->second);
    }
    mix -= 5; miy -= 5;//使起点移动到5,5的位置
    mix = -mix, miy = -miy;
    for (auto p = nums.begin(); p != nums.end(); p++) {
        mp[p->first + mix][p->second + miy] = 1;
    }

    for (int i = 1; i <= 2 * n + 10; i++) {
        for (int j = 1; j <= 2 * m + 10; j++) {
            mp[i][j] = mp[i][j] + mp[i - 1][j] + mp[i][j - 1] - mp[i - 1][j - 1];
            //cout<<mp[i][j]<<' ';
        }//cout<<endl;
    }
    //cout<<sum<<endl;
    int ans = 0;
    //枚举起点,1,1一直到n,m;
    //cout << xl << " " << yl << " " << xr << " " << yr << endl;
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            //枚举在原矩阵中起点的位置,获取位置关系
            ///右下,约束为最大n+mix,m+miy
            //左上,如果越界,约束为1,1
            int dx = (xl - i), dy = (yl - j);
            int x = mix + dx, y = miy + dy;
            int xx = mix + dx + (xr - xl), yy = miy + dy + (yr - yl);
            //cout << x << " " << y << " " << xx << " " << yy << endl;
            if (xx <= 0 || yy <= 0) {
                if (0 == sum - k)ans++;
                continue;
            }
            x = max(1ll, x), y = max(1ll, y);
            if ((mp[xx][yy] + mp[x - 1][y - 1] - mp[x - 1][yy] - mp[xx][y - 1]) == sum - k)ans++;

            //  int xx = i, yy = j;
             // int x = i - (xr - xl), y = j - (yr - yl);
            //  x = max(1ll, x); y = max(1ll, y);
              //if ((mp[xx][yy] + mp[x - 1][y - 1] - mp[x - 1][yy] - mp[xx][y - 1]) == sum - k)ans++;


              //放左上角
        }
    }

    cout << ans << endl;
    for (int i = 0; i <= 2 * n + 10; i++) {
        for (int j = 0; j <= 2 * m + 10; j++) {
            mp[i][j] = 0;
        }
    }
    nums.clear();
    return;
}
signed main() {
    //ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    //freopen("in.txt","r",stdin);
    //freopen("out.txt","w",stdout);
    int T_case = 1;
    cin >> T_case;
    while (T_case--) {
        solve();
    }
    return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 1ms
memory: 3628kb

input:

3
4 5 3
ULDDRR
4 5 0
UUUUUUU
4 5 10
UUUUUUU

output:

2
20
0

result:

ok 3 number(s): "2 20 0"

Test #2:

score: 0
Accepted
time: 8ms
memory: 4884kb

input:

1060
19 12 0
UDLDDUUUUDDDLLRDUDUURULUUUDRDUDRDRLRLRLULULLLDLDDRLUUUURUUUDDRLLRUUUDULURUULLRDRLRDDURDUUURRRLURLRUULRRUDURDLUUURDLURDDLUUURDDRLLURRDLRUDLRDRLLRRDRDDLDRURRRLUDULLLRUUDLRRURRDLLRRRDLLRDDDLRLRURURDDDL
11 1 0
UR
3 18 33
UDRLR
17 11 132
RLDRDLDRUU
6 10 13
UULUDDLRDLUUDLDD
1 15 0
D
6 20 50
D...

output:

228
11
20
99
18
15
34
240
15
0
0
13
14
18
26
16
1
19
108
8
2
2
3
7
0
30
16
21
0
8
10
9
15
5
320
11
7
3
0
0
12
0
11
0
0
14
0
22
36
51
23
7
6
4
2
48
28
8
63
22
49
13
10
4
108
10
18
44
0
15
9
0
4
30
14
99
105
10
14
17
0
66
10
11
28
52
34
56
33
14
56
90
14
0
121
3
48
30
36
13
0
30
7
8
3
11
16
45
20
34
0...

result:

ok 1060 numbers

Test #3:

score: 0
Accepted
time: 3ms
memory: 35296kb

input:

1
1000 1000 979065
DDUULULUDULLULLDLUULURRLDURLRDLRRUURUUUDLRLUUDUUDUDLLDDDULU

output:

958416

result:

ok 1 number(s): "958416"

Test #4:

score: 0
Accepted
time: 4ms
memory: 35404kb

input:

1
1000 1000 943471
LRLDLURLDLRDRDUULULRDDLLRURDUURLLDDLDLDDLLLUUURLDRUDRLLUUUUUDLUUDLURURRDLRLRRRLULRRULURLRRDLDRLUDRRLDDLUDRRLLUDLLLRDULRRRRLDUUDRDLULUUUUDRRDULUDLLUUDLDURDRRLRRLDRLDDRURURLUULRRLDLLRLRDRRUULDLDLULLDLLRULLRUULURDURRLUUDUULLULDLRUDDLRLRLLUDDDLLLUDRRLDDULRRURRDURDDRDLLULRLULURLRDLLURD...

output:

889224

result:

ok 1 number(s): "889224"

Test #5:

score: 0
Accepted
time: 36ms
memory: 53348kb

input:

1
1000 1000 315808
LLRURURRDDDULLDDUDRDLRLLLDDDLUDRDURLDULRLRULUUDLUULUUDULLLLDDURLDUULUUDLLDLLDRUDUULRLLRLRUURLRLULLDDLLDUDLLRUUDRLDLUULDLLDRRRURDULLDRRRDURURDRLDURURUDLURLDURRLRRUDUDURDRLRRRDLRRURLURUDRRLDLRULLDLUURDURLURLLRDLRDRUURURDRUDUUUDLRRLUDLUUDUDDRRDUULUUDDRLLULDUUDRURRDRLULRLULDURLURUDLLD...

output:

426

result:

ok 1 number(s): "426"

Test #6:

score: 0
Accepted
time: 12ms
memory: 35280kb

input:

1
1000 1000 986018
LLULDRRRDDURRUDRUURRRDDLUUDUULRULRDULLD

output:

972180

result:

ok 1 number(s): "972180"

Test #7:

score: 0
Accepted
time: 8ms
memory: 35396kb

input:

1
1000 1000 945431
DDRRURUUDLDULLDLDDLRULDLLDDRRLUDRLUURRLDRDLURUURRRRLRURLURULLLDRDDDRRRLDLDRLRDDUURRURDDDLRUURLUURLRDUDDDLLDUURLDLUDLLRRDUUDRLUULLUULDLURRUDLUURLRLRURDUDRRRDRLRUDLLLLURLULRLRLRRDDUDLRLDUUUULUDLLURRLURRDLRURRRULDDLLLRLRDLUDLLDDRULDUULRDDUUDDUDLURDULLDUDDLULRULDRLDDULDULLUDLULUDRURRR...

output:

893000

result:

ok 1 number(s): "893000"

Test #8:

score: 0
Accepted
time: 42ms
memory: 53032kb

input:

1
1000 1000 460035
RDDUURDULDDLDDLDDLDRRULLRLUURLURRRDRUDDDRDLDLDULUDLRLLRRLRRURRRDLRLUDRDURULDRRDDDDDDLRLDULUULDUDRLLUUUURUUDRURLRRULDRDRUUUUULULRURDDRLRULLLRDRRULUDDUDDLLLRDRUULUUDDRLURDLDURRDLRRLDRRUDLUULRDLURULLDLRLLDDURDUDLDULDLLRULRDLRLUULLUDRUDDDLRRDULULLRUURLUURRLLLLRLDRURLLRLDRRDDDRLUUUUDUL...

output:

417

result:

ok 1 number(s): "417"

Test #9:

score: 0
Accepted
time: 16ms
memory: 35432kb

input:

1
1000 1000 992010
LLLLLDLDRRLUDRR

output:

1999

result:

ok 1 number(s): "1999"

Test #10:

score: 0
Accepted
time: 12ms
memory: 35300kb

input:

1
1000 1000 919600
LLDLRUDRLURRUDRDRRDLRUDLRRRUUULDLDURDDDRUURRRLLURULDRLRLULLULDRULULRLRRRURLDDDRUUULUDLLLLRRLLRDDRDULUDLRLRLDRLUDUDURRULUULLDULUULDLLDRDULUDLDULDDUULDDRRURDRDULRRLDRRDUURURRLUUUDRRLDRRDDLULRDDLDLLRLRLLLRULUUUURRRLDLRUDRRLRURDRLDULLLUDRULLDLDRRUUDLRRLLRLDDLUDLRLRRURUUDUULUDURDURRLUU...

output:

944

result:

ok 1 number(s): "944"

Test #11:

score: 0
Accepted
time: 36ms
memory: 53216kb

input:

1
1000 1000 804351
DLRLDLLLLUDRDURRLDDRRLRUULURURDDDRDLRUDDULRRLLULURDRUUDRURRLURRRDRURRDRLULRDLRRDRRDDUDLUDLDULRUURRLRUUDRLDDRDDUUDULUULUUUDLRURULLRDUUDDDRRLDRUDDUUDRURLRDRUDLRLDDRRLLRLRDUDDULLULRLLDDUDDDUULDULLRRULULDUUULUDRRDRLUDLRRDDUDLRRDDLDLDRUULRRRRRLRLULLRDDRDDDULDRRURUDDLURLRLURLRDRULUDULUU...

output:

640000

result:

ok 1 number(s): "640000"