Submission #1000583


Source Code Expand

#include<stdio.h>
#include<vector>
#include<algorithm>
using namespace std;
typedef long long ll;
ll mod=1000000007;
typedef pair<int,int>pii;
int main()
{
	int num;
	scanf("%d",&num);
	vector<pii>v;
	for(int i=0;i<num;i++)
	{
		int z;
		scanf("%d",&z);
		v.push_back(make_pair(z,-1));
	}
	for(int i=0;i<num;i++)
	{
		int z;
		scanf("%d",&z);
		v.push_back(make_pair(z,1));
	}
	sort(v.begin(),v.end());
	vector<int>now;
	ll ans=1;
	int cnt=0;
	for(int i=0;i<num*2;i++)
	{
		cnt+=v[i].second;
		now.push_back(v[i].second);
		if(cnt==0)
		{
			int p=now[0];
			ll c=0;
			for(int j=0;j<now.size();j++)
			{
				if(p==now[j])c++;
				else
				{
					ans*=c;
					ans%=mod;
					c--;
				}
			}
			now.clear();
		}
	}
	printf("%lld\n",ans);
}

Submission Info

Submission Time
Task A - 1D Matching
User DEGwer
Language C++14 (GCC 5.4.1)
Score 500
Code Size 788 Byte
Status AC
Exec Time 49 ms
Memory 3568 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:11:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&num);
                  ^
./Main.cpp:16:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&z);
                 ^
./Main.cpp:22:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&z);
                 ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 500 / 500
Status
AC × 2
AC × 14
Set Name Test Cases
Sample example0.txt, example1.txt
All 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, example0.txt, example1.txt
Case Name Status Exec Time Memory
000.txt AC 30 ms 2036 KB
001.txt AC 12 ms 1016 KB
002.txt AC 16 ms 892 KB
003.txt AC 18 ms 1400 KB
004.txt AC 43 ms 2544 KB
005.txt AC 48 ms 2420 KB
006.txt AC 49 ms 2544 KB
007.txt AC 47 ms 2420 KB
008.txt AC 48 ms 2800 KB
009.txt AC 48 ms 2420 KB
010.txt AC 49 ms 3568 KB
011.txt AC 47 ms 2420 KB
example0.txt AC 2 ms 256 KB
example1.txt AC 2 ms 256 KB