Submission #5107598

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Source Code Expand

#include<iostream>
#include<cstdio>
#include<cstring>
#include<queue>
#include<algorithm>
#include<set>
#include<map>
#include<cmath>
#include<vector>
#define ll long long
#define inf 0x7fffffff
using namespace std;
int a,b,c,d,f[11][11];
int pd(int s)
{
	int tot=0;
	for(int i=1;i<=c;i++)
	{
		int num=0;
		for(int j=1;j<=a;j++)
			if(f[i][j]>=s)
				num++;
		if(num>=b)
			tot++;
	}
	return tot>=d;
}
int main()
{
	scanf("%d%d%d%d",&a,&b,&c,&d);
	for(int i=1;i<=c;i++)
		for(int j=1;j<=a;j++)
			scanf("%d",&f[i][j]);
	for(int s=100;s>=0;s--)
		if(pd(s))
		{
			printf("%d",s);
			return 0;
		}
} 

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:30:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d%d%d",&a,&b,&c,&d);
                               ^
./Main.cpp:33:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d",&f[i][j]);
                        ^

Judge Result