QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #502800 | #9134. Building a Fence | ucup-team045# | WA | 1ms | 3520kb | C++20 | 1.6kb | 2024-08-03 14:30:23 | 2024-08-03 14:30:31 |
Judging History
answer
#include<iostream>
#include<cstring>
#include<vector>
#include<algorithm>
using namespace std;
using LL = long long;
int main(){
#ifdef LOCAL
freopen("data.in", "r", stdin);
freopen("data.out", "w", stdout);
#endif
cin.tie(0);
cout.tie(0);
ios::sync_with_stdio(0);
int T;
cin >> T;
while(T--){
int n, m, k;
cin >> n >> m >> k;
if (n > m) swap(n, m);
int ans = 1e9;
if (n * 2 < k){
ans = 2;
int t = m - (k - n);
if (t < 0) t = m;
if (t == 0){
ans += 0;
}
else if (t * 2 < k){
ans += 2;
}
else{
ans += (2 * t + k - 1) / k;
}
}
else if (m < k){
vector<int> p{n, n, m, m};
do{
int t = 0;
int remain = 0;
for(auto x : p){
if (remain > x){
t += 1;
remain = k - x;
}
else if (remain == x){
remain = 0;
}
else{
t += 1;
remain = remain + k - x;
}
}
ans = min(ans, t);
}while(next_permutation(p.begin(), p.end()));
}
else{
ans = (2 * (n + m) + k - 1) / k;
}
cout << ans << '\n';
}
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3520kb
input:
7 7 9 4 1 1 2 1 1 4 4 6 2 3 3 5 10 6 4 1 11 5
output:
8 2 4 10 4 8 5
result:
ok 7 numbers
Test #2:
score: -100
Wrong Answer
time: 1ms
memory: 3480kb
input:
8000 1 1 1 1 1 2 1 1 3 1 1 4 1 1 5 1 1 6 1 1 7 1 1 8 1 1 9 1 1 10 1 1 11 1 1 12 1 1 13 1 1 14 1 1 15 1 1 16 1 1 17 1 1 18 1 1 19 1 1 20 1 2 1 1 2 2 1 2 3 1 2 4 1 2 5 1 2 6 1 2 7 1 2 8 1 2 9 1 2 10 1 2 11 1 2 12 1 2 13 1 2 14 1 2 15 1 2 16 1 2 17 1 2 18 1 2 19 1 2 20 1 3 1 1 3 2 1 3 3 1 3 4 1 3 5 1 3...
output:
4 2 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 6 3 2 3 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 8 4 4 2 4 3 4 4 4 4 4 4 4 4 4 4 4 4 4 4 10 5 4 4 2 4 4 3 4 4 4 4 4 4 4 4 4 4 4 4 12 6 4 3 4 2 4 4 4 3 4 4 4 4 4 4 4 4 4 4 14 7 5 4 4 4 2 4 4 4 4 3 4 4 4 4 4 4 4 4 16 8 6 4 4 4 4 2 4 4 4 4 4 3 4 4 4 4 4 4 18 9 6 5 4 3 4 4...
result:
wrong answer 465th numbers differ - expected: '3', found: '4'