Submission #2006550
Source Code Expand
#include <bits/stdc++.h> #include <vector> #define REP(i,n) for(int i=0;i<n;i++) using namespace std; typedef long long ll; int h,w; int main(){ cin>>h>>w; int c[h][w]; REP(i,h){ REP(j,w){ int k; cin>>k; if((i+j)%2==0){ c[i][j] = k; }else{ c[i][j] = -k; } } } int hs[h][w]; hs[0][0] = c[0][0]; for(int i=1;i<h;i++){ hs[i][0] = hs[i-1][0] + c[i][0]; } for(int i=1;i<w;i++){ hs[0][w] = hs[0][w-1] + c[0][w]; } for(int i=1;i<h;i++){ for(int j=1;j<w;j++){ hs[i][w] = hs[i-1][j] + hs[i][j-1] - hs[i-1][j-1] + c[i][j]; } } int ans =0; REP(i,h){ REP(j,w){ for(int k=i;k<h;k++){ for(int l=j;l<w;l++){ int chokoSum; if(i==0&&j==0){ chokoSum = hs[i][j]; }else if(i==0){ chokoSum = hs[k][l] - hs[i][j-1]; }else if(j==0){ chokoSum = hs[k][l] - hs[i-1][j]; }else{ chokoSum = hs[k][l] - hs[k][j-1] - hs[i-1][l] + hs[i-1][j-1]; } if(chokoSum == 0){ ans = max(ans,(k-i+1)*(l-j+1)); } } } } } cout<<ans<<endl; }
Submission Info
Submission Time | |
---|---|
Task | B - チョコレート |
User | pue |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1250 Byte |
Status | WA |
Exec Time | 64 ms |
Memory | 384 KB |
Judge Result
Set Name | Sample | All | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 100 | ||||||||
Status |
|
|
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 | WA | 1 ms | 256 KB |
subtask0_sample-02.txt | WA | 1 ms | 256 KB |
subtask0_sample-03.txt | WA | 1 ms | 256 KB |
subtask0_sample-04.txt | AC | 1 ms | 256 KB |
subtask0_sample-05.txt | WA | 1 ms | 256 KB |
subtask1_01.txt | AC | 1 ms | 256 KB |
subtask1_02.txt | AC | 1 ms | 256 KB |
subtask1_03.txt | WA | 1 ms | 256 KB |
subtask1_04.txt | WA | 1 ms | 256 KB |
subtask1_05.txt | WA | 1 ms | 256 KB |
subtask1_06.txt | WA | 1 ms | 256 KB |
subtask1_07.txt | WA | 1 ms | 256 KB |
subtask1_08.txt | WA | 1 ms | 256 KB |
subtask1_09.txt | WA | 63 ms | 256 KB |
subtask1_10.txt | WA | 10 ms | 256 KB |
subtask1_11.txt | WA | 64 ms | 256 KB |
subtask1_12.txt | WA | 64 ms | 256 KB |
subtask1_13.txt | WA | 64 ms | 384 KB |
subtask1_14.txt | WA | 64 ms | 384 KB |
subtask1_15.txt | WA | 63 ms | 256 KB |
subtask1_16.txt | WA | 61 ms | 384 KB |
subtask1_17.txt | WA | 51 ms | 256 KB |
subtask1_18.txt | WA | 1 ms | 256 KB |
subtask1_19.txt | WA | 1 ms | 256 KB |
subtask1_20.txt | AC | 63 ms | 384 KB |