Submission #423661

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Source Code Expand

#include<stdio.h>
int main(){
  int n,m,np,a,b,c,d[100001]={0};
  int p[100001]={0};
  scanf("%d %d",&n,&m);
  while(m--){
    scanf("%d %d %d",&c,&a,&b);
    if(a==b){
      if(c)printf("Yes\n");
      continue;
    }
    for(n=++a;p[a];a=p[a]);
    for(;np=p[n];n=np)p[n]=a;
    for(n=++b;p[b];b=p[b]);
    for(;np=p[n];n=np)p[n]=b;
    if(c){
      if(b-a)printf("No\n");
      else   printf("Yes\n");
    }
    else{
      if(b-a){
	p[b]=a;
	/*if(d[a]< d[b])p[a]=b;
	if(d[a]>=d[b])p[b]=a;
	if(d[a]==d[b])d[a]++;//*/
      }
    }
  }
  return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:5:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d",&n,&m);
   ^
./Main.c:7:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d %d",&c,&a,&b);
     ^

Judge Result