Submission #869785

#	Time	Username	Problem	Language	Result	Execution time	Memory
869785		rainboy	Treasure (info1cup19_treasure)	C11	100 / 100	2 ms	1060 KiB

treasure

#include <stdio.h>

#define N	200000

int main() {
	static char cc[N + 1];
	static int kk[N];
	int n, n_, k, i;

	scanf("%d%d%s", &n, &k, cc);
	n_ = 0;
	for (i = 0; i < n; i++) {
		cc[n_] = cc[i], kk[n_] = (n_ == 0 || cc[n_ - 1] != cc[i] ? 0 : kk[n_ - 1]) + 1, n_++;
		if (kk[n_ - 1] == k)
			n_ -= k;
	}
	cc[n_] = 0;
	printf("%s\n", cc);
	return 0;
}

Compilation message (stderr)

treasure.c: In function 'main':
treasure.c:10:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |  scanf("%d%d%s", &n, &k, cc);
      |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 35 / 35
• Subtask 2: 65 / 65