# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
441889 | 2021-07-06T13:42:24 Z | rainboy | Teleporters (IOI08_teleporters) | C | 736 ms | 37512 KB |
#include <stdio.h> #include <string.h> #define N 1000000 #define X 2000000 int main() { static int xx[N * 2], ii[N * 2], pp[N * 2], cc[N * 2], kk[X + 1]; static char visited[N * 2]; int n, n_, m, h, i, c, x, ans; scanf("%d%d", &n, &m); for (i = 0; i < n * 2; i++) { scanf("%d", &xx[i]); kk[xx[i]]++; } for (x = 1; x <= X; x++) kk[x] += kk[x - 1]; for (i = 0; i < n * 2; i++) ii[kk[xx[i] - 1]++] = i; for (h = 0; h < n * 2; h++) pp[ii[h]] = h + 1 == n * 2 ? -1 : ii[h + 1] ^ 1; ans = 0; for (i = ii[0] ^ 1; i != -1; i = pp[i]) visited[i] = 1, ans++; memset(kk, 0, (n * 2 + 1) * sizeof *kk); for (i = 0; i < n * 2; i++) if (!visited[i]) { c = 0; while (!visited[i]) { visited[i] = 1, c++; i = pp[i]; } kk[c]++; while (visited[i] == 1) { visited[i] = 2; i = pp[i]; } } n_ = 0; for (c = n * 2; c >= 1; c--) while (kk[c]--) cc[n_++] = c; for (i = 0; i < n_ && i < m; i++) ans += cc[i]; ans += m * 2 - (m > n_ ? (m - n_) % 2 : 0); printf("%d\n", ans); return 0; }
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 9 ms | 8140 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 9 ms | 8072 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 9 ms | 8064 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 9 ms | 8140 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 10 ms | 8040 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 9 ms | 8140 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 9 ms | 8140 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 9 ms | 8028 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 9 ms | 8104 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 9 ms | 8040 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 9 ms | 8140 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 11 ms | 8176 KB | Output is correct |
2 | Correct | 12 ms | 8396 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 11 ms | 8140 KB | Output is correct |
2 | Correct | 14 ms | 8500 KB | Output is correct |
3 | Correct | 19 ms | 8984 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 14 ms | 8488 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 15 ms | 8524 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 63 ms | 11544 KB | Output is correct |
2 | Correct | 186 ms | 16196 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 118 ms | 13812 KB | Output is correct |
2 | Correct | 299 ms | 19896 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 411 ms | 25600 KB | Output is correct |
2 | Correct | 472 ms | 29120 KB | Output is correct |
3 | Correct | 493 ms | 32260 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 595 ms | 31936 KB | Output is correct |
2 | Correct | 736 ms | 34120 KB | Output is correct |
3 | Correct | 634 ms | 33220 KB | Output is correct |
4 | Correct | 640 ms | 33548 KB | Output is correct |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 731 ms | 35904 KB | Output is correct |
2 | Correct | 636 ms | 36164 KB | Output is correct |
3 | Correct | 354 ms | 37332 KB | Output is correct |
4 | Correct | 705 ms | 37512 KB | Output is correct |