Submission #4033357
Source Code Expand
#include "bits/stdc++.h" using namespace std; #define int long long #define endl '\n' int mod=1e9+7; int mod2=998244353; const int INF=1e9; signed main(){ int h,w; cin>>h>>w; vector<vector<int> > hw(h,vector<int>(w)); for(int i=0;i<h;i++){ for(int j=0;j<w;j++){ cin>>hw[i][j]; if((i+j)%2==1)hw[i][j]*=-1; } } vector<vector<int> > rui(h+1,vector<int>(w+1,0)); for(int i=1;i<=h;i++){ for(int j=1;j<=w;j++){ rui[i][j]+=hw[i-1][j-1]; rui[i][j]+=rui[i-1][j]; rui[i][j]+=rui[i][j-1]; rui[i][j]-=rui[i-1][j-1]; } } int ans=0; for(int i=1;i<=h;i++){ for(int j=1;j<=w;j++){ for(int k=0;k<i;k++){ for(int l=0;l<j;l++){ if(rui[i][j]-rui[i][l]-rui[k][j]+rui[k][l]==0){ ans=max(ans,(i-k)*(j-l)); } } } } } cout<<ans<<endl; }
Submission Info
Submission Time | |
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Task | B - チョコレート |
User | shichinomiya |
Language | C++14 (GCC 5.4.1) |
Score | 100 |
Code Size | 904 Byte |
Status | AC |
Exec Time | 46 ms |
Memory | 384 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 100 / 100 | ||||
Status |
|
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Set Name | Test Cases |
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Sample | subtask0_sample-01.txt, subtask0_sample-02.txt, subtask0_sample-03.txt, subtask0_sample-04.txt, subtask0_sample-05.txt |
All | subtask0_sample-01.txt, subtask0_sample-02.txt, subtask0_sample-03.txt, subtask0_sample-04.txt, subtask0_sample-05.txt, subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask1_14.txt, subtask1_15.txt, subtask1_16.txt, subtask1_17.txt, subtask1_18.txt, subtask1_19.txt, subtask1_20.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
subtask0_sample-01.txt | AC | 1 ms | 256 KB |
subtask0_sample-02.txt | AC | 1 ms | 256 KB |
subtask0_sample-03.txt | AC | 1 ms | 256 KB |
subtask0_sample-04.txt | AC | 1 ms | 256 KB |
subtask0_sample-05.txt | AC | 1 ms | 256 KB |
subtask1_01.txt | AC | 1 ms | 256 KB |
subtask1_02.txt | AC | 1 ms | 256 KB |
subtask1_03.txt | AC | 1 ms | 256 KB |
subtask1_04.txt | AC | 1 ms | 256 KB |
subtask1_05.txt | AC | 1 ms | 256 KB |
subtask1_06.txt | AC | 2 ms | 256 KB |
subtask1_07.txt | AC | 1 ms | 256 KB |
subtask1_08.txt | AC | 1 ms | 256 KB |
subtask1_09.txt | AC | 44 ms | 384 KB |
subtask1_10.txt | AC | 8 ms | 256 KB |
subtask1_11.txt | AC | 34 ms | 384 KB |
subtask1_12.txt | AC | 34 ms | 384 KB |
subtask1_13.txt | AC | 34 ms | 384 KB |
subtask1_14.txt | AC | 45 ms | 384 KB |
subtask1_15.txt | AC | 46 ms | 384 KB |
subtask1_16.txt | AC | 32 ms | 384 KB |
subtask1_17.txt | AC | 36 ms | 384 KB |
subtask1_18.txt | AC | 1 ms | 256 KB |
subtask1_19.txt | AC | 1 ms | 256 KB |
subtask1_20.txt | AC | 36 ms | 384 KB |