QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#505167 | #7178. Bishops | Esouling | AC ✓ | 15ms | 5336kb | C++20 | 1.9kb | 2024-08-04 20:59:34 | 2024-08-04 20:59:41 |
Judging History
answer
#include <bits/stdc++.h>
using loint = long long;
using db = double;
void solve() {
int n, m;
std::cin >> n >> m;
int inv = 0;
if (n > m) {
std::swap(n, m);
inv = 1;
}
std::vector<std::pair<int, int>> ans;
if (n == m) {
for (int i = 1; i <= n; i ++) {
ans.push_back({i, 1});
}
for (int i = 2; i <= n - 1; i ++) {
ans.push_back({i, m});
}
} else if (n & 1) {
for (int i = 1; i <= n; i ++) {
ans.push_back({i, 1});
}
for (int i = 1; i <= n; i ++) {
ans.push_back({i, m});
}
int l = n / 2 + 2, r = m - (n / 2 + 1);
for (int j = l; j <= r; j ++) {
ans.push_back({n / 2 + 1, j});
}
} else {
for (int i = 1; i <= n; i ++) {
ans.push_back({i, 1});
}
for (int i = 1; i <= n; i ++) {
ans.push_back({i, m});
}
int l = n / 2 + 2, r = m - (n / 2 + 1);
for (int j = l; j < n / 2; j += 2) {
ans.push_back({n / 2, j});
ans.push_back({n / 2 + 1, j});
}
for (int j = r; j > n / 2 + 1; j -= 2) {
ans.push_back({n / 2, j});
ans.push_back({n / 2 + 1, j});
}
}
std::cout << ans.size() << '\n';
// std::vector a(n + 5, std::vector<int> (m + 5, 0));
for (auto &[x, y] : ans) {
if (inv) std::swap(x, y);
// a[x][y] = 1;
std::cout << x << ' ' << y << '\n';
}
// for (int i = 1; i <= n; i ++) {
// for (int j = 1; j <= m; j ++) {
// std::cerr << a[i][j] << " \n"[j == m];
// }
// }
}
int main() {
std::ios::sync_with_stdio(false);
std::cin.tie(0);
std::cout.tie(0);
solve();
return 0;
}
这程序好像有点Bug,我给组数据试试?
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3616kb
input:
2 5
output:
6 1 1 2 1 1 5 2 5 1 3 2 3
result:
ok n: 2, m: 5, bishops: 6
Test #2:
score: 0
Accepted
time: 0ms
memory: 3828kb
input:
5 5
output:
8 1 1 2 1 3 1 4 1 5 1 2 5 3 5 4 5
result:
ok n: 5, m: 5, bishops: 8
Test #3:
score: 0
Accepted
time: 15ms
memory: 5296kb
input:
100000 100000
output:
199998 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61...
result:
ok n: 100000, m: 100000, bishops: 199998
Test #4:
score: 0
Accepted
time: 11ms
memory: 5252kb
input:
100000 99999
output:
199998 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 ...
result:
ok n: 100000, m: 99999, bishops: 199998
Test #5:
score: 0
Accepted
time: 8ms
memory: 5336kb
input:
100000 50000
output:
149998 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 ...
result:
ok n: 100000, m: 50000, bishops: 149998
Test #6:
score: 0
Accepted
time: 4ms
memory: 4080kb
input:
1 100000
output:
100000 1 1 1 100000 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 5...
result:
ok n: 1, m: 100000, bishops: 100000
Test #7:
score: 0
Accepted
time: 11ms
memory: 5148kb
input:
34535 99889
output:
134423 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61...
result:
ok n: 34535, m: 99889, bishops: 134423
Test #8:
score: 0
Accepted
time: 9ms
memory: 4128kb
input:
12231 97889
output:
110119 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61...
result:
ok n: 12231, m: 97889, bishops: 110119
Test #9:
score: 0
Accepted
time: 9ms
memory: 4108kb
input:
10000 100000
output:
109998 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61...
result:
ok n: 10000, m: 100000, bishops: 109998
Test #10:
score: 0
Accepted
time: 8ms
memory: 4080kb
input:
13 99999
output:
100011 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 1 99999 2 99999 3 99999 4 99999 5 99999 6 99999 7 99999 8 99999 9 99999 10 99999 11 99999 12 99999 13 99999 7 8 7 9 7 10 7 11 7 12 7 13 7 14 7 15 7 16 7 17 7 18 7 19 7 20 7 21 7 22 7 23 7 24 7 25 7 26 7 27 7 28 7 29 7 30 7 31 7 32 7 33 7...
result:
ok n: 13, m: 99999, bishops: 100011
Test #11:
score: 0
Accepted
time: 8ms
memory: 4116kb
input:
21 99999
output:
100019 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 1 99999 2 99999 3 99999 4 99999 5 99999 6 99999 7 99999 8 99999 9 99999 10 99999 11 99999 12 99999 13 99999 14 99999 15 99999 16 99999 17 99999 18 99999 19 99999 20 99999 21 99999 11 12 11 13 11 14...
result:
ok n: 21, m: 99999, bishops: 100019
Test #12:
score: 0
Accepted
time: 8ms
memory: 5116kb
input:
49999 100000
output:
149998 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61...
result:
ok n: 49999, m: 100000, bishops: 149998
Test #13:
score: 0
Accepted
time: 7ms
memory: 5236kb
input:
33333 99999
output:
133331 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61...
result:
ok n: 33333, m: 99999, bishops: 133331
Test #14:
score: 0
Accepted
time: 5ms
memory: 4136kb
input:
23342 98876
output:
122216 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61...
result:
ok n: 23342, m: 98876, bishops: 122216
Test #15:
score: 0
Accepted
time: 11ms
memory: 5164kb
input:
56713 91234
output:
147946 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61...
result:
ok n: 56713, m: 91234, bishops: 147946
Test #16:
score: 0
Accepted
time: 15ms
memory: 5232kb
input:
99995 99995
output:
199988 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61...
result:
ok n: 99995, m: 99995, bishops: 199988
Test #17:
score: 0
Accepted
time: 5ms
memory: 4080kb
input:
12345 54321
output:
66665 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61 ...
result:
ok n: 12345, m: 54321, bishops: 66665
Test #18:
score: 0
Accepted
time: 14ms
memory: 5312kb
input:
90000 92000
output:
181998 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61...
result:
ok n: 90000, m: 92000, bishops: 181998
Test #19:
score: 0
Accepted
time: 6ms
memory: 4196kb
input:
10000 70000
output:
79998 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61 ...
result:
ok n: 10000, m: 70000, bishops: 79998
Test #20:
score: 0
Accepted
time: 6ms
memory: 4196kb
input:
10000 70001
output:
80000 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61 ...
result:
ok n: 10000, m: 70001, bishops: 80000
Test #21:
score: 0
Accepted
time: 0ms
memory: 4120kb
input:
10000 80000
output:
89998 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61 ...
result:
ok n: 10000, m: 80000, bishops: 89998
Test #22:
score: 0
Accepted
time: 7ms
memory: 4244kb
input:
10000 80001
output:
90000 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61 ...
result:
ok n: 10000, m: 80001, bishops: 90000
Test #23:
score: 0
Accepted
time: 7ms
memory: 4068kb
input:
10000 80002
output:
90000 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61 ...
result:
ok n: 10000, m: 80002, bishops: 90000
Test #24:
score: 0
Accepted
time: 7ms
memory: 4136kb
input:
10000 79999
output:
89998 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61 ...
result:
ok n: 10000, m: 79999, bishops: 89998
Test #25:
score: 0
Accepted
time: 7ms
memory: 4204kb
input:
10000 79998
output:
89996 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61 ...
result:
ok n: 10000, m: 79998, bishops: 89996
Test #26:
score: 0
Accepted
time: 9ms
memory: 4268kb
input:
11111 100000
output:
111110 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 1 14 1 15 1 16 1 17 1 18 1 19 1 20 1 21 1 22 1 23 1 24 1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 1 33 1 34 1 35 1 36 1 37 1 38 1 39 1 40 1 41 1 42 1 43 1 44 1 45 1 46 1 47 1 48 1 49 1 50 1 51 1 52 1 53 1 54 1 55 1 56 1 57 1 58 1 59 1 60 1 61...
result:
ok n: 11111, m: 100000, bishops: 111110
Test #27:
score: 0
Accepted
time: 0ms
memory: 3596kb
input:
1 1
output:
1 1 1
result:
ok n: 1, m: 1, bishops: 1
Extra Test:
score: 0
Extra Test Passed