제출 #20107

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
20107	2016-02-25 13:42:13	fredldh	능력 (kriii4_S)	C++98	100 / 100	377 ms	392020 KiB

S

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#include<stdio.h>
#define N 5000
#define M 1000000007
//#define mod(a) ((a)%M)
typedef long long int lld;
lld mod(lld a) {
    while(a < 0) a += M;
    return a % M;
}
lld pow(lld a, lld x) {
    if(!x) return 1;
    lld P = pow(a, x/2);
    if(x&1) return mod(a*mod(P*P));
    return mod(P*P);
}
lld inv(lld a) {
    return pow(a, M-2);
}
lld div(lld a, lld b) {
    return mod(a*inv(b));
}
int n;
lld fac[N+1];
lld p[N+1], d[N+1], np[N+1];
lld f1[N+1][N+1], f2[N+1][N+1];
int main() {
    scanf("%d", &n);
    for(int i = 1; i <= n; ++i) {
        scanf("%lld%lld", &p[i], &d[i]);
        np[i] = div(pow(10,9)-p[i], pow(10,9));
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 90 / 90