ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#197395 | #3447. 远恋 | FAT | 100 | 733ms | 10604kb | C++11 | 611b | 2023-11-12 08:35:49 | 2023-11-12 13:10:45 |
answer
#include <bits/stdc++.h>
using namespace std;
set<pair<int, int>> E;
map<int, int> cnt;
int main() {
int n, q;
scanf("%d%d", &n, &q);
int m = 0, p = n;
for (int i = 1; i <= q; i++) {
int op, x, y;
scanf("%d%d%d", &op, &x, &y);
if (x > y) swap(x, y);
if (op == 1 && E.find({x, y}) == E.end()) {
m++;
E.emplace(x, y);
if (!cnt[x]) p--;
if (!cnt[y]) p--;
cnt[x]++, cnt[y]++;
} else if (op == 2 && E.find({x, y}) != E.end()) {
m--;
E.erase({x, y});
cnt[x]--, cnt[y]--;
if (!cnt[x]) p++;
if (!cnt[y]) p++;
}
printf("%d\n", n - m - p);
}
}
详细
小提示:点击横条可展开更详细的信息
Test #1:
score: 10
Accepted
time: 28ms
memory: 1232kb
input:
2 100000 1 2 1 2 1 2 1 1 2 1 1 2 1 2 1 2 2 1 2 2 1 2 1 2 2 2 1 2 1 2 1 1 2 2 1 2 2 1 2 2 2 1 1 2 1 1...
output:
1 0 1 1 1 0 0 0 0 0 1 0 0 0 1 1 0 1 0 0 1 1 1 0 1 1 0 0 1 0 0 0 0 1 0 1 1 1 1 0 0 0 0 1 0 0 0 1 0 1 ...
result:
ok 100000 numbers
Test #2:
score: 10
Accepted
time: 27ms
memory: 1228kb
input:
2 100000 2 1 2 2 1 2 2 2 1 2 2 1 1 1 2 1 1 2 1 1 2 1 2 1 2 1 2 1 1 2 2 2 1 2 1 2 2 2 1 2 1 2 2 2 1 2...
output:
0 0 0 0 1 1 1 1 0 1 0 0 0 0 0 0 0 0 1 1 1 0 0 0 1 0 1 0 0 1 1 1 1 0 0 1 0 1 1 1 1 0 1 1 1 1 1 0 1 0 ...
result:
ok 100000 numbers
Test #3:
score: 10
Accepted
time: 2ms
memory: 1336kb
input:
2000 2000 1 964 329 2 1284 1313 1 787 509 2 945 658 1 1053 1194 1 1964 1595 2 1504 1111 2 1425 469 2...
output:
1 1 2 2 3 4 4 4 4 5 5 6 6 7 8 9 10 11 12 12 13 14 15 16 17 17 18 19 20 20 20 21 21 22 22 23 23 23 24...
result:
ok 2000 numbers
Test #4:
score: 10
Accepted
time: 0ms
memory: 1336kb
input:
2000 2000 2 315 602 1 649 1798 2 26 785 1 586 1610 2 1854 883 1 1861 622 2 756 1668 2 687 98 2 1619 ...
output:
0 1 1 2 2 3 3 3 3 4 5 6 6 7 8 9 10 11 11 12 12 13 14 15 16 16 16 16 16 16 16 17 18 18 19 20 21 22 23...
result:
ok 2000 numbers
Test #5:
score: 10
Accepted
time: 0ms
memory: 1372kb
input:
100000 2000 1 92779 34174 2 24442 50350 2 95908 70204 1 24040 90714 1 72654 11859 2 92767 96242 1 72...
output:
1 1 1 2 3 3 4 4 5 5 6 6 7 8 8 9 9 10 11 11 12 12 13 13 14 15 15 15 16 17 17 18 19 20 20 20 20 20 21 ...
result:
ok 2000 numbers
Test #6:
score: 10
Accepted
time: 0ms
memory: 1364kb
input:
100000 2000 2 51154 58009 2 60818 30639 1 19247 71910 2 14664 29829 1 4253 44694 1 32318 94691 2 939...
output:
0 0 1 1 2 3 3 4 4 5 6 7 7 7 7 8 8 9 10 11 11 11 12 13 13 14 15 15 16 16 17 18 18 18 19 19 20 20 20 2...
result:
ok 2000 numbers
Test #7:
score: 10
Accepted
time: 173ms
memory: 10604kb
input:
100000 99999 1 83203 7892 1 89609 30806 1 17204 58475 1 94078 40656 1 12175 54519 1 96583 57951 1 64...
output:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 3...
result:
ok 99999 numbers
Test #8:
score: 10
Accepted
time: 203ms
memory: 10600kb
input:
100000 99999 1 60027 76791 1 94226 32512 1 43832 3682 1 52120 92287 1 39908 42152 1 29887 44511 1 74...
output:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 3...
result:
ok 99999 numbers
Test #9:
score: 10
Accepted
time: 112ms
memory: 6540kb
input:
100000 100000 2 74884 54626 2 10396 73081 1 18384 59139 1 48884 27924 1 2340 74923 2 38603 14867 1 9...
output:
0 0 1 2 3 3 4 4 4 4 4 4 4 4 4 5 5 6 7 7 8 8 9 9 9 9 9 10 11 11 11 11 11 11 12 13 13 14 15 15 16 16 1...
result:
ok 100000 numbers
Test #10:
score: 10
Accepted
time: 188ms
memory: 6544kb
input:
100000 100000 1 68584 71139 1 62909 25950 1 81680 54537 1 25264 95674 1 16361 23965 1 81367 39665 1 ...
output:
1 2 3 4 5 6 7 8 9 9 10 10 10 11 11 11 11 12 13 13 14 14 15 15 15 16 17 18 18 18 19 20 20 20 20 20 20...
result:
ok 100000 numbers
Extra Test:
score: 0
Extra Test Passed