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QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#333970 | #7178. Bishops | ivanj | WA | 135ms | 23420kb | C++14 | 1.3kb | 2024-02-20 22:03:40 | 2024-02-20 22:03:40 |
Judging History
answer
#include<bits/stdc++.h>
#define pb push_back
#define x first
#define y second
#define all(a) (a).begin(), (a).end()
using namespace std;
typedef long long ll;
typedef pair<int, int> ii;
const int maxn = 1e5 + 5;
int n, m, flag;
vector<ii> ans;
map<int, int> d1, d2;
void add(int x, int y) {
ans.pb({x, y});
d1[x + y]++, d2[x - y]++;
}
int main() {
scanf("%d%d", &n, &m);
if(n > m) swap(m, n), flag = 1;
if(n == m) {
for(int i = 0;i < n;i++) ans.pb({0, i});
for(int i = 1;i < n - 1;i++) ans.pb({n - 1, i});
} else {
for(int i = 0;i < n;i++)
add(i, 0), add(i, m - 1);
vector<int> v10, v20, v11, v21;
for(int i = 0;i < n + m - 1;i++)
if(d1[i] == 0) {
if(i & 1) v11.pb(i);
else v10.pb(i);
}
for(int i = -m + 1;i < n;i++)
if(d2[i] == 0) {
if(i & 1) v21.pb(i);
else v20.pb(i);
}
int N = min(v10.size(), v20.size());
int M = min(v11.size(), v20.size());
for(int i = 0;i < N;i++)
ans.pb({(v10[i] + v20[i]) / 2, (v10[i] - v20[i]) / 2});
for(int i = 0;i < M;i++)
ans.pb({(v11[i] + v21[i]) / 2, (v11[i] - v21[i]) / 2});
}
printf("%d\n", (int)ans.size());
for(ii p : ans)
if(flag == 0) printf("%d %d\n", p.x + 1, p.y + 1);
else printf("%d %d\n", p.y + 1, p.x + 1);
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 1ms
memory: 3792kb
input:
2 5
output:
6 1 1 1 5 2 1 2 5 1 3 2 3
result:
ok n: 2, m: 5, bishops: 6
Test #2:
score: 0
Accepted
time: 0ms
memory: 4048kb
input:
5 5
output:
8 1 1 1 2 1 3 1 4 1 5 5 2 5 3 5 4
result:
ok n: 5, m: 5, bishops: 8
Test #3:
score: 0
Accepted
time: 18ms
memory: 5196kb
input:
100000 100000
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: 100000, bishops: 199998
Test #4:
score: 0
Accepted
time: 135ms
memory: 23420kb
input:
100000 99999
output:
199998 1 1 100000 1 1 2 100000 2 1 3 100000 3 1 4 100000 4 1 5 100000 5 1 6 100000 6 1 7 100000 7 1 8 100000 8 1 9 100000 9 1 10 100000 10 1 11 100000 11 1 12 100000 12 1 13 100000 13 1 14 100000 14 1 15 100000 15 1 16 100000 16 1 17 100000 17 1 18 100000 18 1 19 100000 19 1 20 100000 20 1 21 100000...
result:
ok n: 100000, m: 99999, bishops: 199998
Test #5:
score: 0
Accepted
time: 89ms
memory: 19756kb
input:
100000 50000
output:
149998 1 1 100000 1 1 2 100000 2 1 3 100000 3 1 4 100000 4 1 5 100000 5 1 6 100000 6 1 7 100000 7 1 8 100000 8 1 9 100000 9 1 10 100000 10 1 11 100000 11 1 12 100000 12 1 13 100000 13 1 14 100000 14 1 15 100000 15 1 16 100000 16 1 17 100000 17 1 18 100000 18 1 19 100000 19 1 20 100000 20 1 21 100000...
result:
ok n: 100000, m: 50000, bishops: 149998
Test #6:
score: -100
Wrong Answer
time: 39ms
memory: 14508kb
input:
1 100000
output:
100000 1 1 1 100000 -49997 50001 -49995 50001 -49993 50001 -49991 50001 -49989 50001 -49987 50001 -49985 50001 -49983 50001 -49981 50001 -49979 50001 -49977 50001 -49975 50001 -49973 50001 -49971 50001 -49969 50001 -49967 50001 -49965 50001 -49963 50001 -49961 50001 -49959 50001 -49957 50001 -49955 ...
result:
wrong answer Integer parameter [name=x] equals to -49997, violates the range [1, 1]