Submission #544778

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Source Code Expand

#include <stdio.h>

int main(){
	long int n,m,i,s,t,a[100001]={},max=0;

	scanf("%ld %ld", &n, &m);
	for(i=0;i<n;i++){
		scanf("%ld",&t);
		if(max < ++a[t]) max=a[t];
	}

	if(max<<1<=n) printf("?\n");
	else{
		for(i=0,t=0,n=0;i<=m;i++){
			if(a[i] == max){
				t++;
				n=i;
			}
			if(t > 1)break;
		}
		t>1?printf("?\n"):printf("%d\n",n);
	}
	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:21:3: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long int’ [-Wformat=]
   t>1?printf("?\n"):printf("%d\n",n);
   ^
./Main.c:6:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%ld %ld", &n, &m);
  ^
./Main.c:8:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%ld",&t);
   ^

Judge Result