A101791题解
2026-02-01 11:11:36
发布于:上海
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#include <cstdlib>
#include<iostream>
#include<cstdio>
#include<vector>
#include<algorithm>
using namespace std;
long long n,m,a[100][100];
int main(){
cin>>n>>m;
for (int i=1;i<=n;i++){
for (int j=1;j<=m;j++){
cin>>a[i][j];
}
}
for (int i1=1;i1<=n;i1++){
for (int i2=i1+1;i2<=n;i2++){
for (int j1=1;j1<=m;j1++){
for (int j2=j1+1;j2<=m;j2++){
if (a[i1][j1]+a[i2][j2]>a[i1][j2]+a[i2][j1]){
cout<<"No";
return 0;
}
}
}
}
}
cout<<"Yes";
return 0;
}

这里空空如也



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