Submission #1868688

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Source Code Expand

#include <cstdio>
#include <cstring>
#include <queue>
#define MAXN 510
using namespace std;

int n,m;
queue<int> a[MAXN];
int cnt[MAXN];
bool removed[MAXN];

int main(){
	scanf("%d%d",&n,&m);
	for(int i=1;i<=n;i++){
		for(int j=1;j<=m;j++){
			int t;
			scanf("%d",&t);
			a[i].push(t);
		}
	}
	for(int i=1;i<=n;i++) cnt[a[i].front()]++;
	int ans=n;
	for(int i=1;i<=m;i++){
		int res=0;
		int maxj;
		for(int j=1;j<=m;j++)
			if(!removed[j] && cnt[j]>res) res=cnt[j],maxj=j;
		if(res<ans) ans=res;
		removed[maxj]=1;
		for(int i=1;i<=n;i++)
			while(removed[a[i].front()]){
				a[i].pop();
				cnt[a[i].front()]++;
			}
	}
	printf("%d\n",ans);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:13:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&m);
                     ^
./Main.cpp:17:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d",&t);
                  ^

Judge Result