제출 #13747

#제출 시각아이디문제언어결과실행 시간메모리
13747veckal새로운 달력 (GCJ12KOR_calendar)C++14
25 / 25
0 ms1084 KiB
#include <stdio.h>
typedef long long ll;

ll gcd(ll a, ll b) {
	return b ? gcd(b, a%b) : a;
}

ll month, md, wd;

int main() {
	int T, N;
	scanf("%d", &T);
	for (N=1; N<=T; ++N) {
		scanf("%lld%lld%lld", &month, &md, &wd);
		printf("Case #%d: ", N);
		printf("%lld\n", (month*md+wd-1)/wd+month-1 - (month-1)/(wd/gcd(wd,md)));
	}
	return 0;
}
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