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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#142773 | #6128. Flippy Sequence | Nyans | AC ✓ | 88ms | 3588kb | C++14 | 433b | 2023-08-19 21:31:33 | 2023-08-19 21:31:34 |
Judging History
answer
#include <cstdio>
int T, n;
char s[1000010], t[1000010];
int main() {
for (scanf("%d", &T); T--; ) {
scanf("%d%s%s", &n, s + 1, t + 1);
for (int i = 1; i <= n; ++i) s[i] ^= t[i];
int cnt = 0;
for (int i = 1; i <= n; ++i) if (s[i]) cnt += s[i] != s[i - 1];
long long ans = 0;
if (cnt == 2) ans = 6;
if (cnt == 1) ans = n * 2 - 2;
if (cnt == 0) ans = 1ll * n * (n + 1) / 2;
printf("%lld\n", ans);
}
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 1764kb
input:
3 1 1 0 2 00 11 5 01010 00111
output:
0 2 6
result:
ok 3 number(s): "0 2 6"
Test #2:
score: 0
Accepted
time: 88ms
memory: 3588kb
input:
126648 1 0 0 1 1 0 2 01 01 2 01 11 2 10 11 2 11 00 3 011 011 3 010 110 3 011 001 3 111 001 3 001 000 3 101 000 3 011 000 3 111 000 4 1111 1111 4 1110 0110 4 0010 0110 4 1011 0111 4 1001 1011 4 0100 1110 4 0000 0110 4 0111 1001 4 1001 1000 4 1011 0010 4 0001 0100 4 1000 0101 4 0100 0111 4 1101 0110 4...
output:
1 0 3 2 2 2 6 4 4 4 4 6 4 4 10 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 15 8 8 8 8 6 8 8 8 6 6 6 8 6 8 8 8 6 6 6 6 0 6 6 8 6 6 6 8 6 8 8 21 10 10 10 10 6 10 10 10 6 6 6 10 6 10 10 10 6 6 6 6 0 6 6 10 6 6 6 10 6 10 10 10 6 6 6 6 0 6 6 6 0 0 0 6 0 6 6 10 6 6 6 6 0 6 6 10 6 6 6 10 6 10 10 28 12 12 12 12 6 12 12 1...
result:
ok 126648 numbers