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Submission #823874

# Submission time Handle Problem Language Result Execution time Memory
823874 2023-08-13T09:14:54 Z rainboy Flip it and Stick it (CCO23_day2problem1) C
4 / 25
 2 ms 596 KB 
#include <stdio.h>
#include <string.h>

#define N	200000

int main() {
	static char aa[N + 1], bb[4];
	int n, m, k, i;

	scanf("%s%s", aa, bb), n = strlen(aa), m = strlen(bb);
	if (m == 1) {
		for (i = 0; i < n; i++)
			if (aa[i] == bb[0]) {
				printf("-1\n");
				return 0;
			}
		printf("0\n");
	} else if (m == 2) {
		if (bb[0] != bb[1]) {
			k = 0;
			for (i = -1; i < n; i++)
				if ((i < 0 ? bb[1] : aa[i]) != (i + 1 == n ? bb[0] : aa[i + 1]))
					k++;
			printf("%d\n", k / 2);
		}
	}
	return 0;
}

Compilation message

Main.c: In function 'main':
Main.c:10:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |  scanf("%s%s", aa, bb), n = strlen(aa), m = strlen(bb);
      |  ^~~~~~~~~~~~~~~~~~~~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct

Subtask #2
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 552 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 1 ms 596 KB Output is correct
9 Correct 2 ms 556 KB Output is correct
10 Correct 2 ms 596 KB Output is correct

Subtask #3
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 552 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 1 ms 596 KB Output is correct
9 Correct 2 ms 556 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 288 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 288 KB Output is correct
15 Incorrect 0 ms 212 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -