Submission #5106471

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Source Code Expand

#include<cstdio>
#include<cstring>
#include<iostream>
#include<algorithm>
#include<cmath>
using namespace std; 
int main()
{
	int a,b,c,d,i,minn,j,map[11][11],k,p,q,tot,ans;
	scanf("%d%d%d%d",&a,&b,&c,&d);
	//a为科目数，b为合格了几门课可以合格，c为人数，d为合格最低人数
	for(i=1;i<=c;i++)
		for(j=1;j<=a;j++)
			cin>>map[i][j];
	for(k=100;k>1;k--)//k为合格分数
	{
		ans=0;//k为合格分时合格了的人数 
		for(i=1;i<=c;i++)
		{
			tot=0;
			for(j=1;j<=a;j++)
				if(map[i][j]>=k)tot++;//第i个人合格了tot门； 
			if(tot>=b) ans++;
		}
		if(ans>=d)
		{
			cout<<k;
			return 0;
		}
	} 
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:10:31: 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);
                               ^

Judge Result