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QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#808529 | #85. Leverage MDT | LaVuna47# | WA | 1ms | 3828kb | C++17 | 2.2kb | 2024-12-10 21:16:37 | 2024-12-10 21:16:38 |
Judging History
answer
/** gnu specific **/
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
/** contains everything I need in std **/
#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define sz(S) ((int)S.size())
#define FOR(i, st_, n) for(int i = st_; i < n; ++i)
#define RFOR(i, n, end_) for(int i = (n)-1; i >= end_; --i)
#define x first
#define y second
#define pb push_back
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
typedef pair<double, double> pdd;
typedef unsigned long long ull;
typedef long double LD;
typedef pair<ull, ull> pull;
using namespace __gnu_pbds;
typedef tree<ll, null_type, less<>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
using namespace std;
#ifdef ONPC
mt19937 rnd(228);
#else
mt19937 rnd(chrono::high_resolution_clock::now().time_since_epoch().count());
#endif
bool is_good(const vector<string>& a, int X)
{
int n=sz(a),m=sz(a[0]);
vector<vector<bool>> b(n, vector<bool>(m,false));
FOR(i,0,n)
{
int cg=0;
FOR(j,0,X)if(a[i][j]=='G')++cg;
if(cg==0||cg==X) b[i][0]=1;
FOR(j,X,m)
{
if(a[i][j]=='G')++cg;
if(a[i][j-X]=='G')--cg;
if(cg==0 || cg==X) b[i][j-X]=1;
}
}
FOR(i,0,m)
{
int o=0;
FOR(j,0,X)if(b[j][i])++o;
if(o==X)return true;
FOR(j,X,n)
{
if(a[j][i])++o;
if(a[j-X][i])--o;
if(o==X)return true;
}
}
return false;
}
int solve()
{
int n,m;
if(!(cin>>n>>m))
return 1;
vector<string> a(n);
FOR(i,0,n)cin>>a[i];
int l = 1, r =min(n,m);
while(r-l>1)
{
int mid=(l+r)/2;
if(is_good(a, mid))
l=mid;
else
r=mid;
}
if(is_good(a,r))
l=r;
cout<<l*l<<'\n';
return 0;
}
int32_t main()
{
ios::sync_with_stdio(0);
cin.tie(0);
int TET = 1e9;
//cin >> TET;
for (int i = 1; i <= TET; i++)
{
if (solve())
{
break;
}
#ifdef ONPC
cout << "__________________________" << endl;
#endif
}
#ifdef ONPC
cerr << endl << "finished in " << clock() * 1.0 / CLOCKS_PER_SEC << " sec" << endl;
#endif
}
詳細信息
Test #1:
score: 100
Accepted
time: 1ms
memory: 3588kb
input:
2 2 GG GG
output:
4
result:
ok single line: '4'
Test #2:
score: 0
Accepted
time: 1ms
memory: 3652kb
input:
1 1 B
output:
1
result:
ok single line: '1'
Test #3:
score: 0
Accepted
time: 0ms
memory: 3544kb
input:
2 2 BB BB
output:
4
result:
ok single line: '4'
Test #4:
score: 0
Accepted
time: 1ms
memory: 3592kb
input:
2 2 GB BB
output:
1
result:
ok single line: '1'
Test #5:
score: 0
Accepted
time: 1ms
memory: 3540kb
input:
2 2 BG BB
output:
1
result:
ok single line: '1'
Test #6:
score: 0
Accepted
time: 1ms
memory: 3600kb
input:
2 2 BB GB
output:
1
result:
ok single line: '1'
Test #7:
score: 0
Accepted
time: 1ms
memory: 3828kb
input:
2 2 BB BG
output:
1
result:
ok single line: '1'
Test #8:
score: 0
Accepted
time: 1ms
memory: 3604kb
input:
2 2 BB GG
output:
4
result:
ok single line: '4'
Test #9:
score: 0
Accepted
time: 1ms
memory: 3600kb
input:
2 2 BG BG
output:
1
result:
ok single line: '1'
Test #10:
score: 0
Accepted
time: 1ms
memory: 3616kb
input:
2 2 BG BG
output:
1
result:
ok single line: '1'
Test #11:
score: 0
Accepted
time: 1ms
memory: 3660kb
input:
2 2 GG GG
output:
4
result:
ok single line: '4'
Test #12:
score: 0
Accepted
time: 1ms
memory: 3588kb
input:
5 5 GGGGG GBBBG GBBBG GBBBG GGGGG
output:
9
result:
ok single line: '9'
Test #13:
score: 0
Accepted
time: 1ms
memory: 3608kb
input:
5 1 G G G G G
output:
1
result:
ok single line: '1'
Test #14:
score: 0
Accepted
time: 1ms
memory: 3664kb
input:
5 1 G B G G G
output:
1
result:
ok single line: '1'
Test #15:
score: 0
Accepted
time: 1ms
memory: 3608kb
input:
1 5 GGGGG
output:
1
result:
ok single line: '1'
Test #16:
score: 0
Accepted
time: 1ms
memory: 3600kb
input:
1 5 GBGGG
output:
1
result:
ok single line: '1'
Test #17:
score: -100
Wrong Answer
time: 1ms
memory: 3652kb
input:
10 10 GBBBBGBBGB GBBBGGBBGB BGBGBBGGBB BGBGBBBGBG BGBBGGBGBG GGBGBBBGGG BBGGBGBBBB GGGGBGGGGG GBBBBGBBGB BGBBGGGGBB
output:
4
result:
wrong answer 1st lines differ - expected: '9', found: '4'