Submission #1688853

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Source Code Expand

#include<stdio.h>
int MIN(int a,int b){return a<b?a:b;}
int main(){
  int n,i,d[2][100010],max,f[100010]={};
  long long s=1,M=1e9+7;
  scanf("%d",&n);
  for(i=0;i<n;i++){
    scanf("%d",&d[0][i]);
    if(i&&d[0][i-1]<d[0][i])f[i]|=1;
  }
  for(i=0;i<n;i++)scanf("%d",&d[1][i]);
  f[n-1]=2;
  for(i=n-1;i--;){
    if(d[1][i+1]<d[1][i])f[i]|=2;
  }
  for(i=1;i<n-1;i++){
    if(f[i]==0)s=(s*MIN(d[0][i],d[1][i]))%M;
    if(f[i]==1&&d[0][i]>d[1][i])s*=0;
    if(f[i]==2&&d[0][i]<d[1][i])s*=0;
    if(f[i]==3&&d[0][i]-d[1][i])s*=0;
  }
  if(d[0][n-1]-d[1][0])s*=0;
  printf("%lld\n",s);
  return 0;
}
  

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:6:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&n);
   ^
./Main.c:8:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&d[0][i]);
     ^
./Main.c:11:19: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   for(i=0;i<n;i++)scanf("%d",&d[1][i]);
                   ^

Judge Result