QOJ.ac

QOJ

ID题目提交者结果用时内存语言文件大小提交时间测评时间
#21559#2851. 生生不息Mr_Eight#AC ✓4ms3660kbC++142.8kb2022-03-07 15:02:482022-05-08 03:38:09

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2022-05-08 03:38:09]
  • 评测
  • 测评结果:AC
  • 用时:4ms
  • 内存:3660kb
  • [2022-03-07 15:02:48]
  • 提交

answer

//#include <bits/stdc++.h>
#include <iostream>
#include <iomanip>
#include <math.h>
#include <cmath>
#include <algorithm>
#include <climits>
#include <functional>
#include <cstring>
#include <string>
#include <cstdlib>
#include <ctime>
#include <cstdio>
#include <vector>
#include <stack>
#include <queue>
#include <deque>
#include <map>
#include <set>
#include <bitset>
#include <complex>
#include <random>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
#define itn int
#define nit int
#define ll __int128
#define ms multiset
#define F(i,a,b) for(register int i=a,i##end=b;i<=i##end;++i)
#define UF(i,a,b) for(register int i=a,i##end=b;i>=i##end;--i)
#define re register
#define ri re int
#define il inline
#define pii pair<int,int>
#define cp complex<double>
//#pra gma G CC opti mize(3)
using namespace std;
using std::bitset;
//using namespace __gnu_pbds;
const double Pi=acos(-1);
namespace fastIO {
	template<class T>
	inline void read(T &x) {
		x=0;
		bool fu=0;
		char ch=0;
		while(ch>'9'||ch<'0') {
			ch=getchar();
			if(ch=='-')fu=1;
		}
		while(ch<='9'&&ch>='0') x=(x*10-48+ch),ch=getchar();
		if(fu)x=-x;
	}
	inline int read() {
		int x=0;
		bool fu=0;
		char ch=0;
		while(ch>'9'||ch<'0') {
			ch=getchar();
			if(ch=='-')fu=1;
		}
		while(ch<='9'&&ch>='0') x=(x*10-48+ch),ch=getchar();
		return fu?-x:x;
	}
	template<class T,class... Args>
	inline void read(T& t,Args&... args) {
		read(t);
		read(args...);
	}
	char _n_u_m_[40];
	template<class T>
	inline void write(T x ) {
		if(x==0){
			putchar('0');
			return;
		}
		T tmp = x > 0 ? x : -x ;
		if( x < 0 ) putchar('-') ;
		register int cnt = 0 ;
		while( tmp > 0 ) {
			_n_u_m_[ cnt ++ ] = tmp % 10 + '0' ;
			tmp /= 10 ;
		}
		while( cnt > 0 ) putchar(_n_u_m_[ -- cnt ]) ;
	}
	template<class T>
	inline void write(T x ,char ch) {
		write(x);
		putchar(ch);
	}
}
using namespace fastIO;
ll mod;
inline ll pw(ll x,ll p){
    long long res=1;
    for(;p;p>>=1,x=x*x%mod)
        if(p&1)res=res*x%mod;
    return res;
}
inline ll exgcd(ll a,ll b,ll &x,ll &y) {
	if(b==0) {
		x=1;
		y=0;
		return a;
	}
	ll r=exgcd(b,a%b,y,x);
	y-=a/b*x;
	return r;
}
inline ll inv(ll x){
	ll t1=0,t2=0;
	exgcd(mod,x,t1,t2);
	return (t2%mod+mod)%mod;
}
inline ll solve(ll c1,ll c2,ll e1,ll e2){
	if(!e2){
		return c1;
	}
	ll v=e1/e2;//cerr<<e1<<" "<<e2<<" "<<vendl;
	ll temp=pw(c2,v);
	c1=(__int128(1))*c1*inv(temp)%mod;
	e1%=e2;
	return solve(c2,c1,e2,e1);
}
int ans[6][6];
int main(){
	ans[2][2]=5,ans[3][3]=150,ans[3][2]=18;
	ans[4][2]=73,ans[4][3]=1533,ans[4][4]=31828;
	ans[5][2]=267,ans[5][3]=11398,ans[5][4]=469972,ans[5][5]=12785753;
	F(asdf,1,read()){
		int n=read(),m=read();
		if(n<m)swap(n,m);
		write(ans[n][m],'\n');
	}
    return 0;
}


详细

Test #1:

score: 100
Accepted
time: 4ms
memory: 3660kb

input:

25
2 4
2 3
2 1
1 5
4 2
5 4
5 3
2 5
1 4
4 4
5 2
5 1
4 5
3 3
3 2
4 3
5 5
3 1
4 1
3 5
3 4
1 3
1 2
2 2
1 1

output:

73
18
0
0
73
469972
11398
267
0
31828
267
0
469972
150
18
1533
12785753
0
0
11398
1533
0
0
5
0

result:

ok 25 lines