Submission #5731

#	Time	Username	Problem	Language	Result	Execution time	Memory
5731		model_code	관대한 주인 (TOKI14_generous)	C++98	100 / 100	100 ms	1088 KiB

generous

/*
 * Official Solution
 * 
 * Generous Butcher
 * William Gozali
 */

#include <cstdio>

#define LL long long
using namespace std;

LL A, B, K1, K2;

LL pouw(LL a, LL b, LL c){
	if (b == 0) return 1;
	if (b & 1) return (a * pouw(a,b-1,c)) % c;

	LL t = pouw(a, b/2, c);
	return (t * t) % c;
}

int main()
{
	scanf("%lld %lld %lld %lld", &A, &B, &K1, &K2);

	A %= B;	
	for (LL i = K1; i <= K2; i++){	
		LL x = (A * pouw(10, i-1, B)) % B;
		printf("%lld", (x*10)/B);
	}

	printf("\n");
}

• Subtask 1: 15 / 15
• Subtask 2: 20 / 20
• Subtask 3: 30 / 30
• Subtask 4: 23 / 23
• Subtask 5: 12 / 12