Submission #810549

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
8105492023-08-06 10:59:52rainboyBliskost (COI23_bliskost)C11
100 / 100
182 ms15868 KiB
#include <stdio.h>
#define N 1000000
int main() {
static char aa[N + 1], bb[N + 1];
int n, q, i, d;
scanf("%d%d%s%s", &n, &q, aa, bb);
if (n == 1) {
printf(aa[0] == bb[0] ? "da\n" : "ne\n");
while (q--) {
static char s[2];
scanf("%d%s", &i, s), i--;
aa[i] = s[0];
printf(aa[0] == bb[0] ? "da\n" : "ne\n");
}
} else {
d = 0;
for (i = 0; i < n; i++)
d = (d + (aa[i] - 'a') * (i % 2 == 0 ? 1 : -1)) % 26;
for (i = 0; i < n; i++)
d = (d - (bb[i] - 'a') * (i % 2 == 0 ? 1 : -1)) % 26;
printf(d == 0 ? "da\n" : "ne\n");
while (q--) {
static char s[2];
scanf("%d%s", &i, s), i--;
d = (d - (aa[i] - 'a') * (i % 2 == 0 ? 1 : -1)) % 26;
 
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Compilation message (stderr)

Main.c: In function 'main':
Main.c:9:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |  scanf("%d%d%s%s", &n, &q, aa, bb);
      |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.c:15:4: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |    scanf("%d%s", &i, s), i--;
      |    ^~~~~~~~~~~~~~~~~~~~
Main.c:29:4: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   29 |    scanf("%d%s", &i, s), i--;
      |    ^~~~~~~~~~~~~~~~~~~~
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