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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#478239 | #4398. Luxury cruise ship | horzward# | AC ✓ | 4ms | 10936kb | C++17 | 1.2kb | 2024-07-14 19:27:06 | 2024-07-14 19:27:06 |
Judging History
answer
/*
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|----| |----|
*/
#include <bits/stdc++.h>
#define int long long
#define fastio ios::sync_with_stdio(0), cin.tie(0)
using namespace std;
const int inf = 1e18;
const int N = 1e6;
vector<int> dp(N, inf);
int x[] = {7, 31, 365};
void solve()
{
int n;
cin >> n;
dp[0] = 0;
for(int i = 0; i < 3; i++) {
for(int j = 0; j < N; j++) {
if(j - x[i] >= 0) dp[j] = min(dp[j], dp[j - x[i]] + 1);
}
}
while(n--) {
int now = 0;
cin >> now;
// 處理now < N的狀況
if(now < N) {
cout << (dp[now] == inf ? -1 : dp[now]) << '\n';
}
else {
int tmp = now - N;
tmp = (tmp % 365 == 0 ? tmp / 365 : tmp / 365 + 1);
int after = now - tmp * 365;
cout << (dp[after] == inf ? -1 : tmp + dp[after]) << '\n';
}
}
return;
}
signed main()
{
ios::sync_with_stdio(false);
cin.tie(nullptr);
int t = 1;
// cin >> t;
while(t--)
{
solve();
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 4ms
memory: 10936kb
input:
1000 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 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101...
output:
-1 -1 -1 -1 -1 -1 1 -1 -1 -1 -1 -1 -1 2 -1 -1 -1 -1 -1 -1 3 -1 -1 -1 -1 -1 -1 4 -1 -1 1 -1 -1 -1 5 -1 -1 2 -1 -1 -1 6 -1 -1 3 -1 -1 -1 7 -1 -1 4 -1 -1 -1 8 -1 -1 5 -1 -1 2 9 -1 -1 6 -1 -1 3 10 -1 -1 7 -1 -1 4 11 -1 -1 8 -1 -1 5 12 -1 -1 9 -1 -1 6 13 -1 3 10 -1 -1 7 14 -1 4 11 -1 -1 8 15 -1 5 12 -1 -...
result:
ok 1000 lines