제출 #22658

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
22658		AJAE (#40)	Fully Generate (KRIII5_FG)	C++14	7 / 7	249 ms	246020 KiB

FG

#include <cstdio>
#include <vector>

using namespace std;
using ll = long long;
const ll MMOD = 1000000007;
ll popo(ll a, ll p) {
    ll r =1;
    while(p) {
        if(p&1) r= (r*a)%MMOD;
        a = (a*a) % MMOD;
        p >>= 1LL;
    }
    return r;
}

ll arr[31347599];
int sss[6] = {0,1,2,4,12,36};
int main()
{
    ll n;
    ll cnt = 0;
    ll ans = 1;
    scanf("%lld\n", &n);
    if(n<=5) {
        printf("%d\n", sss[n]);
        return 0;
    }
    ll gsize = 4;
    arr[0] = 0;
    arr[1] = 1;
    arr[2] = 2;
    arr[3] = 2;
    cnt = 1+2+2;
    ans = 2*2*3*3;
    bool sw = true;
    for(int i=3;sw;++i){
        ll &tmp = arr[i];
        ll ttmp = 1;
        int st = gsize;
        for(ll j=0;j<tmp;++j) {
            arr[gsize] = i;
            gsize++;
            cnt += i;
            if (cnt >= n) {
                ans = (ans * popo(ttmp, i))%MMOD;
                arr[gsize-1] = i - (cnt-n);
                ans = (ans * popo(gsize-1, arr[gsize-1]))%MMOD;
                printf("%lld\n", ans);
                return 0;
            }
            ttmp = (ttmp*(gsize-1))%MMOD;
        }
        ans = (ans * popo(ttmp, i))%MMOD;
    }

    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

FG.cpp: In function 'int main()':
FG.cpp:40:13: warning: unused variable 'st' [-Wunused-variable]
         int st = gsize;
             ^
FG.cpp:24:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld\n", &n);
                        ^

• Subtask 1: 2 / 2
• Subtask 2: 5 / 5