Submission #1077180

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Source Code Expand

#include <stdio.h>
#include <string.h>
#define M(a,b)((a)>(b)?(a):(b))
typedef struct{int first;int second;}pii;
int i,j,n,k,a,b,d[1001][1001];
pii w(){
	scanf("%d%d",&n,&k);
	memset(d,11,sizeof(d));
	for(i=0;i<n;i++)d[i][i]=0;
	for(;k;k--)scanf("%d%d",&a,&b),d[a][b]=1,d[b][a]=1;
	for(k=0;k<n;k++)for(i=0;i<n;i++)for(j=0;j<n;j++)d[i][j]=-M(-d[i][j],-d[i][k]-d[k][j]);
	int mi=1<<30,ma=0,m;
	for(i=0;i<n;i++){
		m=0;
		for(j=0;j<n;j++)if(m<d[i][j])m=d[i][j];
		if(mi>m)mi=m;
		if(ma<m)ma=m;
	}
	pii p={mi,ma};return p;
}
int main(){
	pii p=w(),q=w();
	printf("%d %d\n",M(p.first+q.first+1,M(p.second,q.second)),p.second+q.second+1);
}

Submission Info

Compile Error

./Main.cpp: In function ‘pii w()’:
./Main.cpp:7:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&k);
                     ^
./Main.cpp:10:52: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  for(;k;k--)scanf("%d%d",&a,&b),d[a][b]=1,d[b][a]=1;
                                                    ^

Judge Result