Submission #19270

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
19270	2016-02-23 15:59:16	kaTkaHr	제비 (kriii4_W)	C++14	100 / 100	25 ms	142176 KiB

W

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#include <stdio.h>
#include<vector>
#include <algorithm>
#include <map>
using namespace std;
typedef long long ll;
const int MX = 3005, MM = 1000000007;
ll pw(ll A, ll B){
    ll R = 1;
    while(B){
        if( B&1 ) R = R * A % MM;
        A = A * A % MM; B /= 2;
    }
    return R;
}
ll rv(ll A){ return pw(A, MM-2); }
struct frac{
    ll A, B;
    frac(ll A):A(A), B(1){}
    frac(ll a, ll b){
        A = (a%MM+MM) % MM;
        B = (b%MM+MM) % MM;
    }
 
 
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• Subtask 1: 6 / 6
• Subtask 2: 94 / 94