답안 #13731

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
13731	2015-03-28T15:43:43 Z	gs14004	관대한 주인 (TOKI14_generous)	C++14	100 / 100	8 ms	1084 KB

generous

#include <cstdio>

long long mul(long long a, long long b, long long m){
    long long ret = 0;
    while (b) {
        if(b&1) ret += a;
        b >>= 1;
        a <<= 1;
        ret %= m;
        a %= m;
    }
    return ret;
}
long long pw(int a, int x, long long m){
    long long r = a, p = 10;
    while (x) {
        if(x&1) r = mul(r,p,m*10);
        p = mul(p,p,m*10);
        x >>= 1;
    }
    return r;
}

int main(){
    int a,b,s,e;
    scanf("%d %d %d %d",&a,&b,&s,&e);
    a %= b;
    long long t = pw(a,s,b);
    for (int i=s; i<=e; i++) {
        printf("%lld",t/b);
        t %= b;
        t *= 10;
    }
}

Subtask #1

15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	1084 KB	Output is correct
2	Correct	0 ms	1084 KB	Output is correct
3	Correct	0 ms	1084 KB	Output is correct
4	Correct	0 ms	1084 KB	Output is correct
5	Correct	0 ms	1084 KB	Output is correct
6	Correct	0 ms	1084 KB	Output is correct

Subtask #2

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	1084 KB	Output is correct
2	Correct	0 ms	1084 KB	Output is correct
3	Correct	0 ms	1084 KB	Output is correct
4	Correct	0 ms	1084 KB	Output is correct
5	Correct	0 ms	1084 KB	Output is correct
6	Correct	0 ms	1084 KB	Output is correct

Subtask #3

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	1084 KB	Output is correct
2	Correct	0 ms	1084 KB	Output is correct
3	Correct	0 ms	1084 KB	Output is correct
4	Correct	0 ms	1084 KB	Output is correct
5	Correct	0 ms	1084 KB	Output is correct
6	Correct	0 ms	1084 KB	Output is correct

Subtask #4

23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	1084 KB	Output is correct
2	Correct	0 ms	1084 KB	Output is correct
3	Correct	0 ms	1084 KB	Output is correct
4	Correct	0 ms	1084 KB	Output is correct
5	Correct	0 ms	1084 KB	Output is correct
6	Correct	0 ms	1084 KB	Output is correct
7	Correct	0 ms	1084 KB	Output is correct
8	Correct	0 ms	1084 KB	Output is correct
9	Correct	0 ms	1084 KB	Output is correct
10	Correct	0 ms	1084 KB	Output is correct
11	Correct	0 ms	1084 KB	Output is correct
12	Correct	0 ms	1084 KB	Output is correct
13	Correct	0 ms	1084 KB	Output is correct
14	Correct	0 ms	1084 KB	Output is correct
15	Correct	0 ms	1084 KB	Output is correct
16	Correct	0 ms	1084 KB	Output is correct
17	Correct	0 ms	1084 KB	Output is correct
18	Correct	0 ms	1084 KB	Output is correct
19	Correct	0 ms	1084 KB	Output is correct
20	Correct	0 ms	1084 KB	Output is correct
21	Correct	0 ms	1084 KB	Output is correct
22	Correct	0 ms	1084 KB	Output is correct

Subtask #5

12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	8 ms	1084 KB	Output is correct
2	Correct	3 ms	1084 KB	Output is correct
3	Correct	6 ms	1084 KB	Output is correct
4	Correct	5 ms	1084 KB	Output is correct