Submission #1441357

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Source Code Expand

#include<iostream>
#include<cstdio>
using namespace std;
int dist[110][110];
int a[110],b[110],c[110];
int n,m;
int ans;
int main()
{
	scanf("%d%d",&n,&m);
	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<=n;j++)dist[i][j]=1e9;
	}
	for(int i=1;i<=m;i++)
	{
		scanf("%d%d%d",a+i,b+i,c+i);
		dist[a[i]][b[i]]=dist[b[i]][a[i]]=c[i];
	}
	for(int k=1;k<=n;k++)
	{
		for(int i=1;i<=n;i++)
		{
			if(i==k)continue;
			for(int j=1;j<=n;j++)
			{
				if(i==j || k==j)continue;
				dist[i][j]=min(dist[i][j],dist[i][k]+dist[k][j]);
			}
		}
	}
	for(int i=1;i<=m;i++)
	{
		if(dist[a[i]][b[i]]!=c[i])ans++;
	}
	printf("%d",ans);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:10:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&m);
                     ^
./Main.cpp:17:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d",a+i,b+i,c+i);
                              ^

Judge Result