Submission #1000586

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

int main()
{
  int n;
  scanf("%d",&n);
  static int a[100000],b[100000];
  for(int i=0;i<n;i++){
    scanf("%d",a+i);
  }
  for(int j=0;j<n;j++){
    scanf("%d",b+j);
  }
  sort(a,a+n);
  sort(b,b+n);
  long long ans=1ll;
  const long long mod=1000000007ll;
  int K=0;
  for(int i=0,j=0;i<n&&j<n;){
    if(j==n||a[i]<b[j]){
      if(K<0){
	ans*=-K;
	ans%=mod;
      }
      K++;
      i++;
    }
    else{
      if(K>0){
	ans*=K;
	ans%=mod;
      }
      K--;
      j++;
    }
  }
  printf("%lld\n",K);
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:38:20: warning: format ‘%lld’ expects argument of type ‘long long int’, but argument 2 has type ‘int’ [-Wformat=]
   printf("%lld\n",K);
                    ^
./Main.cpp:7:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&n);
                 ^
./Main.cpp:10:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",a+i);
                    ^
./Main.cpp:13:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",b+j);
                    ^

Judge Result