Submission #1000601


Source Code Expand

#include <bits/stdc++.h>
#include <assert.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define PB push_back
#define MP make_pair
#define MOD 1000000007LL
#define endl "\n"
const ll UNDEF = -1;
const ll INF=1e18;
template<typename T> inline bool chkmax(T &aa, T bb) { return aa < bb ? aa = bb, true : false; }
template<typename T> inline bool chkmin(T &aa, T bb) { return aa > bb ? aa = bb, true : false; }
typedef pair<ll,ll> pll;

#ifdef DEBUG
     #define debug(args...)            {dbg,args; cerr<<endl;}
#else
    #define debug(args...)              // Just strip off all debug tokens
#endif

struct debugger
{
    template<typename T> debugger& operator , (const T& v)
    {    
        cerr<<v<<" ";    
        return *this;    
    }
} dbg;
const ll mn=1e5+2;
int main() 
{
	ios_base::sync_with_stdio(false); cin.tie(0);
	ll n; scanf("%lld",&n);
	vector<pll> v;
	for (ll i=0;i<n;i++) {
		ll a;scanf("%lld",&a);
		v.PB(MP(a,0));
	}
	for (ll i=0;i<n;i++) {
		ll b;scanf("%lld",&b);
		v.PB(MP(b,1));
	}
	sort(v.begin(),v.end());
	ll ans=1;
	ll cnt[2];
	cnt[0]=0,cnt[1]=0;
	for (auto &w:v) {
		ll t=w.second;
		if (cnt[t^1]) {
			ans=(ans*cnt[t^1])%MOD;
			cnt[t^1]--;
		}
		else cnt[t]++;
	}
	printf("%lld\n",ans);
}

Submission Info

Submission Time
Task A - 1D Matching
User LiChenKoh
Language C++14 (GCC 5.4.1)
Score 500
Code Size 1306 Byte
Status AC
Exec Time 50 ms
Memory 4464 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:34:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  ll n; scanf("%lld",&n);
                        ^
./Main.cpp:37:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   ll a;scanf("%lld",&a);
                        ^
./Main.cpp:41:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   ll b;scanf("%lld",&b);
                        ^

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 2420 KB
001.txt AC 13 ms 1400 KB
002.txt AC 16 ms 1400 KB
003.txt AC 19 ms 2420 KB
004.txt AC 45 ms 4464 KB
005.txt AC 49 ms 4464 KB
006.txt AC 49 ms 4464 KB
007.txt AC 49 ms 4464 KB
008.txt AC 49 ms 4464 KB
009.txt AC 50 ms 4464 KB
010.txt AC 48 ms 4464 KB
011.txt AC 48 ms 4464 KB
example0.txt AC 3 ms 256 KB
example1.txt AC 3 ms 256 KB