hanwud @ 2024-03-30 09:00:15
#include<bits/stdc++.h>
using namespace std;
int n,a[31][31];
bool visit=false;
int main(){
cin>>n;
for(int i=0;i<n;i++)
for(int j=0;j<n;j++){
cin>>a[i][j];
}
for(int i=0;i<n;i++){
for(int j=0;j<n;j++){
if(a[i][j] == 0 && visit) a[i][j] = 2;
if(a[i][j] == 1) visit=true;
}
visit=false;
}
for(int i=0;i<n;i++){
for(int j=0;j<n;j++){
cout<<a[i][j]<<" ";
}
cout<<endl;
}
return 0;
}
by Lazy_make_name @ 2024-03-30 12:11:48
visit=true
应改为
visit=!visit
by c_subtract_subtract @ 2024-04-22 20:45:03
本人好心帮你看了下测试点 输入: 0 0 1 1 1 0 1 1 1 0 1 0 1 0 0 0 0 1 1 1 0 1 1 1 0 1 0 1 0 0 0 1 1 1 0 0 输出: 0 0 1 1 1 2 1 1 1 2 1 0 1 2 2 2 2 1 1 1 0 1 1 1 0 1 2 1 0 0 0 1 1 1 2 2 懂得都懂是什么问题
by c_subtract_subtract @ 2024-04-22 21:04:05
逻辑全错啦,大哥!bfs啊!!!!