Submission #1693976

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Source Code Expand

#include<bits/stdc++.h>
using namespace std;
int a[5010][5010],ans[5010],s[5010];
int main()
{
	int n,m;scanf("%d%d",&n,&m);
	for (int i=2;i<=n;i++) {int w;scanf("%d",&w);s[i]=s[i-1]+w;}
	for (int i=1;i<=n;i++)
	for (int j=1;j<=m;j++)
		scanf("%d",&a[i][j]);
	long long all=0;
	for (int i=1;i<=n;i++)
	{
		long long ths=0;
		for (int j=1;j<=n;j++) ans[j]=0;
		for (int j=i;j<=n;j++)
		{
			for (int k=1;k<=m;k++) if (ans[k]<a[j][k])
			{
				ths+=a[j][k]-ans[k];
				ans[k]=a[j][k];
			}
			all=max(all,ths+s[i]-s[j]);
		}
	}
	cout<<all<<endl;
}
		

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:6:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  int n,m;scanf("%d%d",&n,&m);
                             ^
./Main.cpp:7:46: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  for (int i=2;i<=n;i++) {int w;scanf("%d",&w);s[i]=s[i-1]+w;}
                                              ^
./Main.cpp:10:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&a[i][j]);
                       ^

Judge Result