Submission #3235701


Source Code Expand

#include<bits/stdc++.h>
#define int ll
using namespace std;
#pragma comment(linker, "/stack:200000000")
#pragma GCC optimize("Ofast")
#pragma target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
typedef long long ll;
typedef pair<int,int> pii;
#define Rep(i,a,b) for(register int i=(a);i<=int(b);++i)
#define Dep(i,a,b) for(register int i=(a);i>=int(b);--i)
#define rep(i,a,b) for(register int i=(a);i<int(b);++i)
#define mem(x,v) memset(x,v,sizeof(x))
/*inline char gc(){
    static char buf[100000],*p1=buf,*p2=buf;
    return p1==p2&&(p2=(p1=buf)+fread(buf,1,100000,stdin),p1==p2)?EOF:*p1++;
}*/
#define gc getchar
#define pc putchar
#define fi first
#define se second
#define debug(x) cout << #x" = " << x << endl;
#define pp(x,y) cout << "pp: " << x << " " << y << endl;
#define rank __RANK
inline ll read(){
	register ll x=0,f=1;register char c=gc();
	for(;!isdigit(c);c=gc())if(c=='-')f=-1;
	for(;isdigit(c);c=gc())x=(x<<1)+(x<<3)+(c^48);
	return x*f;
}
#define rd read
void write(ll x){if(x<0)x=-x,pc('-');if(x>=10)write(x/10);putchar(x%10+'0');}
void writeln(ll x){write(x);puts("");}
int n,m,x[100001],y[100001],ans;
bool check[401][401],c[401];
signed main(){
	n=rd(),m=rd();
	Rep(i,1,m)x[i]=rd(),y[i]=rd();
	Rep(i,1,n){
		check[i][i]=true;
		Dep(j,m,1){
			bool b1=check[i][x[j]],b2=check[i][y[j]];
			if(b1&&b2){c[i]=true;break;}else if(b1)check[i][y[j]]=true;else if(b2)check[i][x[j]]=true;  
		}
	}
	rep(i,1,n)if(!c[i])Rep(j,i+1,n)if(!c[j]){
		bool flag=true;
		for(int k=1;k<=n;++k)if(check[i][k]&&check[j][k]){flag=false;break;}
		ans+=flag;
	}
	writeln(ans);
}

Submission Info

Submission Time
Task E - Poor Turkeys
User wzporz
Language C++14 (GCC 5.4.1)
Score 1400
Code Size 1643 Byte
Status AC
Exec Time 31 ms
Memory 1920 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 1400 / 1400
Status
AC × 4
AC × 75
Set Name Test Cases
Sample 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt
All 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt, 1_24.txt, 1_25.txt, 1_26.txt, 1_27.txt, 1_28.txt, 1_29.txt, 1_30.txt, 1_31.txt, 1_32.txt, 1_33.txt, 1_34.txt, 1_35.txt, 1_36.txt, 1_37.txt, 1_38.txt, 1_39.txt, 1_40.txt, 1_41.txt, 1_42.txt, 1_43.txt, 1_44.txt, 1_45.txt, 1_46.txt, 1_47.txt, 1_48.txt, 1_49.txt, 1_50.txt, 1_51.txt, 1_52.txt, 1_53.txt, 1_54.txt, 1_55.txt, 1_56.txt, 1_57.txt, 1_58.txt, 1_59.txt, 1_60.txt, 1_61.txt, 1_62.txt, 1_63.txt, 1_64.txt, 1_65.txt, 1_66.txt, 1_67.txt, 1_68.txt, 1_69.txt, 1_70.txt
Case Name Status Exec Time Memory
0_00.txt AC 1 ms 256 KB
0_01.txt AC 1 ms 256 KB
0_02.txt AC 1 ms 256 KB
0_03.txt AC 1 ms 256 KB
1_00.txt AC 27 ms 384 KB
1_01.txt AC 27 ms 384 KB
1_02.txt AC 23 ms 384 KB
1_03.txt AC 2 ms 384 KB
1_04.txt AC 2 ms 512 KB
1_05.txt AC 2 ms 512 KB
1_06.txt AC 2 ms 512 KB
1_07.txt AC 2 ms 512 KB
1_08.txt AC 3 ms 640 KB
1_09.txt AC 3 ms 640 KB
1_10.txt AC 3 ms 768 KB
1_11.txt AC 3 ms 640 KB
1_12.txt AC 6 ms 1280 KB
1_13.txt AC 8 ms 1664 KB
1_14.txt AC 7 ms 1536 KB
1_15.txt AC 7 ms 1536 KB
1_16.txt AC 28 ms 384 KB
1_17.txt AC 27 ms 384 KB
1_18.txt AC 25 ms 384 KB
1_19.txt AC 2 ms 384 KB
1_20.txt AC 2 ms 512 KB
1_21.txt AC 2 ms 512 KB
1_22.txt AC 2 ms 512 KB
1_23.txt AC 2 ms 512 KB
1_24.txt AC 3 ms 640 KB
1_25.txt AC 3 ms 640 KB
1_26.txt AC 3 ms 640 KB
1_27.txt AC 3 ms 640 KB
1_28.txt AC 6 ms 1408 KB
1_29.txt AC 7 ms 1536 KB
1_30.txt AC 6 ms 1280 KB
1_31.txt AC 5 ms 1152 KB
1_32.txt AC 29 ms 384 KB
1_33.txt AC 29 ms 384 KB
1_34.txt AC 22 ms 384 KB
1_35.txt AC 2 ms 384 KB
1_36.txt AC 2 ms 384 KB
1_37.txt AC 2 ms 512 KB
1_38.txt AC 2 ms 512 KB
1_39.txt AC 2 ms 512 KB
1_40.txt AC 3 ms 640 KB
1_41.txt AC 3 ms 640 KB
1_42.txt AC 3 ms 640 KB
1_43.txt AC 3 ms 640 KB
1_44.txt AC 10 ms 1920 KB
1_45.txt AC 10 ms 1792 KB
1_46.txt AC 9 ms 1664 KB
1_47.txt AC 9 ms 1664 KB
1_48.txt AC 27 ms 384 KB
1_49.txt AC 26 ms 384 KB
1_50.txt AC 28 ms 384 KB
1_51.txt AC 2 ms 384 KB
1_52.txt AC 10 ms 384 KB
1_53.txt AC 9 ms 384 KB
1_54.txt AC 9 ms 384 KB
1_55.txt AC 2 ms 384 KB
1_56.txt AC 10 ms 512 KB
1_57.txt AC 10 ms 512 KB
1_58.txt AC 10 ms 512 KB
1_59.txt AC 4 ms 512 KB
1_60.txt AC 31 ms 1664 KB
1_61.txt AC 30 ms 1536 KB
1_62.txt AC 29 ms 1536 KB
1_63.txt AC 21 ms 1408 KB
1_64.txt AC 25 ms 384 KB
1_65.txt AC 25 ms 384 KB
1_66.txt AC 26 ms 384 KB
1_67.txt AC 3 ms 384 KB
1_68.txt AC 2 ms 512 KB
1_69.txt AC 9 ms 1920 KB
1_70.txt AC 1 ms 256 KB