Submission #922646

#	Time	Username	Problem	Language	Result	Execution time	Memory
922646		rainboy	Ones (LMIO17_vienetai)	C11	100 / 100	1 ms	600 KiB

vienetai

#include <stdio.h>

#define D	9

int main() {
	static int pp[D];
	static long long ss[D];
	int n, m, d, h, r, r_, c;
	long long sum;

	scanf("%d%d%d", &n, &m, &d);
	if (n % m != 0 || d % 2 == 0 || d % 5 == 0) {
		printf("NESIDALO\n");
		return 0;
	}
	for (r = 0; r < d; r++) {
		r_ = r, c = 0;
		do
			ss[r] += r_ * 10 / d, r_ = r_ * 10 % d, c++;
		while (r_ != r);
		ss[r] *= (m - 1) / c;
		for (h = 0, r_ = r; h < (m - 1) % c; h++)
			ss[r] += r_ * 10 / d, r_ = r_ * 10 % d;
		ss[r] += (r_ * 10 + 1) / d, pp[r] = (r_ * 10 + 1) % d;
	}
	r = 0, c = 0, sum = 0;
	do
		sum += ss[r], r = pp[r], c++;
	while (r != 0);
	if (n / m % c != 0)
		printf("NESIDALO\n");
	else {
		sum *= n / m / c;
		printf("%lld\n", sum);
	}
	return 0;
}

Compilation message (stderr)

vienetai.c: In function 'main':
vienetai.c:11:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |  scanf("%d%d%d", &n, &m, &d);
      |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 24 / 24
• Subtask 2: 30 / 30
• Subtask 3: 27 / 27
• Subtask 4: 10 / 10
• Subtask 5: 9 / 9