QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#499505 | #9155. 集合 | Register_int | 100 ✓ | 492ms | 65168kb | C++14 | 1.4kb | 2024-07-31 15:02:33 | 2024-07-31 15:02:33 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
const int MAXN = 6e5 + 10;
mt19937_64 eng(time(0));
int n, m, q, ans; unordered_map<ull, int> cnt;
ull w[MAXN], ha[MAXN], hb[MAXN]; int a[MAXN][3], b[MAXN][3], p[MAXN];
inline void add(ull x) { cnt[x]++ && --ans, cnt[x] && ++ans; }
inline void del(ull x) { cnt[x]-- && --ans, cnt[x] && ++ans; }
inline
void upd(int i, int t) {
del(ha[a[i][0]]), del(ha[a[i][1]]), del(ha[a[i][2]]);
if (t == 1) ha[a[i][0]] += w[i], ha[a[i][1]] += w[i], ha[a[i][2]] += w[i];
else ha[a[i][0]] -= w[i], ha[a[i][1]] -= w[i], ha[a[i][2]] -= w[i];
add(ha[a[i][0]]), add(ha[a[i][1]]), add(ha[a[i][2]]);
add(hb[b[i][0]]), add(hb[b[i][1]]), add(hb[b[i][2]]);
if (t == 1) hb[b[i][0]] += w[i], hb[b[i][1]] += w[i], hb[b[i][2]] += w[i];
else hb[b[i][0]] -= w[i], hb[b[i][1]] -= w[i], hb[b[i][2]] -= w[i];
del(hb[b[i][0]]), del(hb[b[i][1]]), del(hb[b[i][2]]);
}
int main() {
scanf("%d%d%d", &n, &m, &q);
for (int i = 1; i <= n; i++) scanf("%d%d%d", &a[i][0], &a[i][1], &a[i][2]);
for (int i = 1; i <= n; i++) scanf("%d%d%d", &b[i][0], &b[i][1], &b[i][2]);
for (int i = 1; i <= n; i++) w[i] = eng();
for (int i = 1, j = 0; i <= n; i++) { for (; j <= n && !ans; upd(++j, 1)); p[i] = j, upd(i, -1); }
for (int l, r; q--;) scanf("%d%d", &l, &r), puts(p[l] > r ? "Yes" : "No");
}
Details
Pretests
Pretest #1:
score: 5
Accepted
time: 2ms
memory: 10176kb
Pretest #2:
score: 5
Accepted
time: 0ms
memory: 9892kb
Pretest #3:
score: 5
Accepted
time: 1ms
memory: 9876kb
Pretest #4:
score: 5
Accepted
time: 1ms
memory: 9832kb
Pretest #5:
score: 5
Accepted
time: 0ms
memory: 9940kb
Pretest #6:
score: 5
Accepted
time: 1ms
memory: 9900kb
Pretest #7:
score: 5
Accepted
time: 0ms
memory: 10208kb
Pretest #8:
score: 5
Accepted
time: 2ms
memory: 9860kb
Pretest #9:
score: 5
Accepted
time: 19ms
memory: 9868kb
Pretest #10:
score: 5
Accepted
time: 17ms
memory: 9912kb
Pretest #11:
score: 5
Accepted
time: 400ms
memory: 63348kb
Pretest #12:
score: 5
Accepted
time: 335ms
memory: 61424kb
Pretest #13:
score: 5
Accepted
time: 3ms
memory: 10552kb
Pretest #14:
score: 5
Accepted
time: 3ms
memory: 10584kb
Pretest #15:
score: 5
Accepted
time: 107ms
memory: 10288kb
Pretest #16:
score: 5
Accepted
time: 108ms
memory: 10364kb
Pretest #17:
score: 5
Accepted
time: 19ms
memory: 14104kb
Pretest #18:
score: 5
Accepted
time: 23ms
memory: 15268kb
Pretest #19:
score: 5
Accepted
time: 492ms
memory: 61124kb
Pretest #20:
score: 5
Accepted
time: 456ms
memory: 65168kb
Final Tests
Test #1:
score: 5
Accepted
time: 0ms
memory: 9936kb
Test #2:
score: 5
Accepted
time: 0ms
memory: 9876kb
Test #3:
score: 5
Accepted
time: 2ms
memory: 9896kb
Test #4:
score: 5
Accepted
time: 2ms
memory: 9896kb
Test #5:
score: 5
Accepted
time: 2ms
memory: 10160kb
Test #6:
score: 5
Accepted
time: 0ms
memory: 9876kb
Test #7:
score: 5
Accepted
time: 0ms
memory: 9972kb
Test #8:
score: 5
Accepted
time: 2ms
memory: 9928kb
Test #9:
score: 5
Accepted
time: 21ms
memory: 9916kb
Test #10:
score: 5
Accepted
time: 19ms
memory: 9940kb
Test #11:
score: 5
Accepted
time: 428ms
memory: 61464kb
Test #12:
score: 5
Accepted
time: 380ms
memory: 57396kb
Test #13:
score: 5
Accepted
time: 3ms
memory: 10284kb
Test #14:
score: 5
Accepted
time: 0ms
memory: 10340kb
Test #15:
score: 5
Accepted
time: 102ms
memory: 10192kb
Test #16:
score: 5
Accepted
time: 108ms
memory: 10648kb
Test #17:
score: 5
Accepted
time: 19ms
memory: 14332kb
Test #18:
score: 5
Accepted
time: 23ms
memory: 15328kb
Test #19:
score: 5
Accepted
time: 441ms
memory: 58852kb
Test #20:
score: 5
Accepted
time: 462ms
memory: 63476kb
Extra Test:
score: 0
Extra Test Passed