Submission #465298

#	Time	Username	Problem	Language	Result	Execution time	Memory
465298		rainboy	Igra (COCI17_igra)	C11	100 / 100	1 ms	292 KiB

igra

#include <stdio.h>

#define N	5000

int check(int ka, int kb, int kc, int la, int lb, int lc) {
	return ka >= 0 && kb >= 0 && kc >= 0 && ka <= lb + lc && kb <= lc + la && kc <= la + lb;
}

int main() {
	static char aa[N + 1], bb[N + 1];
	int n, i, ka, kb, kc, la, lb, lc;

	scanf("%d%s%s", &n, aa, bb);
	ka = kb = kc = 0;
	for (i = 0; i < n; i++)
		if (aa[i] == 'a')
			ka++;
		else if (aa[i] == 'b')
			kb++;
		else
			kc++;
	la = lb = lc = 0;
	for (i = 0; i < n; i++)
		if (bb[i] == 'a')
			la++;
		else if (bb[i] == 'b')
			lb++;
		else
			lc++;
	for (i = 0; i < n; i++) {
		if (bb[i] == 'a')
			la--;
		else if (bb[i] == 'b')
			lb--;
		else
			lc--;
		if (bb[i] != 'a' && check(ka - 1, kb, kc, la, lb, lc))
			aa[i] = 'a', ka--;
		else if (bb[i] != 'b' && check(ka, kb - 1, kc, la, lb, lc))
			aa[i] = 'b', kb--;
		else
			aa[i] = 'c', kc--;
	}
	printf("%s\n", aa);
	return 0;
}

Compilation message (stderr)

igra.c: In function 'main':
igra.c:13:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |  scanf("%d%s%s", &n, aa, bb);
      |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 100 / 100