Submission #1870632

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Source Code Expand

#include <cstdio>
int a[305][305],b[305],cnt[305];
bool u[305];
int main(){
	int n,m;
	scanf("%d%d\n",&n,&m);
	for (int i=1;i<=n;i++)
		for (int j=1;j<=m;j++) scanf("%d",&a[i][j]);
	int ans=n;u[0]=1;
	for (int i=1;i<=m;i++){
		for (int j=1;j<=m;j++) cnt[j]=0;
		for (int j=1;j<=n;j++){
			for (;u[a[j][b[j]]];b[j]++);
			cnt[a[j][b[j]]]++;
		}
		int k=0;
		for (int j=1;j<=m;j++) k=cnt[j]>cnt[k]?j:k;
		ans=cnt[k]<ans?cnt[k]:ans;
		u[k]=1;
	}
	printf("%d\n",ans);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:6:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d\n",&n,&m);
                       ^
./Main.cpp:8:46: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   for (int j=1;j<=m;j++) scanf("%d",&a[i][j]);
                                              ^

Judge Result