#include <bits/stdc++.h>
#define ll long long
using namespace std;
const int MAX_ROOKS = 2e5;
int main() {
int n, k, p;
cin >> n >> k >> p;
unordered_map<int, int> rows, columns;
rows.reserve(MAX_ROOKS);
columns.reserve(MAX_ROOKS);
map<pair<int, int>, int> rooks;
while (k--) {
int r, c, x;
cin >> r >> c >> x;
--r; --c;
rows[r] ^= x;
columns[c] ^= x;
rooks[{r, c}] = x;
}
ll total = 0;
for (int i = 0; i < n; ++i) {
for (int j = 0; j < n; ++j) {
if (((rows[i] ^ rooks[{i, j}]) ^ (columns[j] ^ rooks[{i, j}])) > 0) ++total;
}
}
while (p--) {
int r1, c1, r2, c2;
cin >> r1 >> c1 >> r2 >> c2;
--r1; --r2; --c1; --c2;
for (int i = 0; i < n; ++i) {
if (i == c1) continue;
if (((columns[i] ^ rooks[{r1, i}]) ^ (rows[r1] ^ rooks[{r1, i}])) > 0 && ((columns[i] ^ rooks[{r1, i}]) ^ ((rows[r1] ^ rooks[{r1, i}]) ^ rooks[{r1, c1}])) == 0) --total;
else if (((columns[i] ^ rooks[{r1, i}]) ^ (rows[r1] ^ rooks[{r1, i}])) == 0 && ((columns[i] ^ rooks[{r1, i}]) ^ ((rows[r1] ^ rooks[{r1, i}]) ^ rooks[{r1, c1}])) > 0) ++total;
}
for (int i = 0; i < n; ++i) {
if (i == r1) continue;
if (((columns[c1] ^ rooks[{i, c1}]) ^ (rows[i] ^ rooks[{i, c1}])) > 0 && (((columns[c1] ^ rooks[{i, c1}]) ^ rooks[{r1, c1}]) ^ (rows[i] ^ rooks[{i, c1}])) == 0) --total;
else if (((columns[c1] ^ rooks[{i, c1}]) ^ (rows[i] ^ rooks[{i, c1}])) == 0 && (((columns[c1] ^ rooks[{i, c1}]) ^ rooks[{r1, c1}]) ^ (rows[i] ^ rooks[{i, c1}])) > 0) ++total;
}
rows[r1] ^= rooks[{r1, c1}];
columns[c1] ^= rooks[{r1, c1}];
rooks[{r2, c2}] = rooks[{r1, c1}];
rooks[{r1, c1}] = 0;
for (int i = 0; i < n; ++i) {
if (i == c2) continue;
if (((columns[i] ^ rooks[{r2, i}]) ^ (rows[r2] ^ rooks[{r2, i}])) == 0 && ((columns[i] ^ rooks[{r2, i}]) ^ ((rows[r2] ^ rooks[{r2, i}]) ^ rooks[{r2, c2}])) > 0) ++total;
else if (((columns[i] ^ rooks[{r2, i}]) ^ (rows[r2] ^ rooks[{r2, i}])) > 0 && ((columns[i] ^ rooks[{r2, i}]) ^ ((rows[r2] ^ rooks[{r2, i}]) ^ rooks[{r2, c2}])) == 0) --total;
}
for (int i = 0; i < n; ++i) {
if (i == r2) continue;
if (((columns[c2] ^ rooks[{i, c2}]) ^ (rows[i] ^ rooks[{i, c2}])) == 0 && ((columns[c2] ^ rooks[{i, c2}] ^ rooks[{r2, c2}]) ^ (rows[i] ^ rooks[{i, c2}])) > 0) ++total;
else if (((columns[c2] ^ rooks[{i, c2}]) ^ (rows[i] ^ rooks[{i, c2}])) > 0 && ((columns[c2] ^ rooks[{i, c2}] ^ rooks[{r2, c2}]) ^ (rows[i] ^ rooks[{i, c2}])) == 0) --total;
}
rows[r2] ^= rooks[{r2, c2}];
columns[c2] ^= rooks[{r2, c2}];
cout << total << '\n';
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
3676 KB |
Output is correct |
2 |
Correct |
14 ms |
3932 KB |
Output is correct |
3 |
Correct |
10 ms |
3676 KB |
Output is correct |
4 |
Correct |
11 ms |
3676 KB |
Output is correct |
5 |
Correct |
14 ms |
3928 KB |
Output is correct |
6 |
Runtime error |
169 ms |
65536 KB |
Execution killed with signal 9 |
7 |
Runtime error |
190 ms |
65536 KB |
Execution killed with signal 9 |
8 |
Runtime error |
176 ms |
65536 KB |
Execution killed with signal 9 |
9 |
Runtime error |
211 ms |
65536 KB |
Execution killed with signal 9 |
10 |
Runtime error |
195 ms |
65536 KB |
Execution killed with signal 9 |
11 |
Runtime error |
323 ms |
65536 KB |
Execution killed with signal 9 |
12 |
Runtime error |
407 ms |
65536 KB |
Execution killed with signal 9 |
13 |
Runtime error |
330 ms |
65536 KB |
Execution killed with signal 9 |
14 |
Runtime error |
341 ms |
65536 KB |
Execution killed with signal 9 |
15 |
Runtime error |
344 ms |
65536 KB |
Execution killed with signal 9 |
16 |
Runtime error |
355 ms |
65536 KB |
Execution killed with signal 9 |
17 |
Runtime error |
357 ms |
65536 KB |
Execution killed with signal 9 |
18 |
Runtime error |
326 ms |
65536 KB |
Execution killed with signal 9 |
19 |
Runtime error |
323 ms |
65536 KB |
Execution killed with signal 9 |
20 |
Runtime error |
330 ms |
65536 KB |
Execution killed with signal 9 |