| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1110720 | 2024-11-10T09:14:53 Z | nhphuc | Jakarta Skyscrapers (APIO15_skyscraper) | C++17 | 130 ms | 190836 KB |
#include <bits/stdc++.h>
using namespace std;
#define iii tuple<int, int, int>
const int N = 50500;
const int block = 157;
int n, m, b[N], v[N], dp[N][block + 7], ans = -1;
bool vis[N][block + 7];
vector<int> pw[N];
vector<pair<int, int>> Q[N * block + 107];
int32_t main (){
ios::sync_with_stdio(false); cin.tie(nullptr);
if (fopen("test.inp", "r")){
freopen("test.inp", "r", stdin);
freopen("test.out", "w", stdout);
}
cin >> n >> m;
for (int i = 0; i < n; ++i)
for (int j = 0; j <= block + 1; ++j)
dp[i][j] = -1;
for (int i = 1; i <= m; ++i){
cin >> b[i] >> v[i];
pw[b[i]].push_back(v[i]);
if (i == 1)
Q[0].push_back({b[i], v[i]});
}
for (int D = 0; D < N * block; ++D){
for (pair<int, int> it : Q[D]){
int u = it.first;
int t = it.second;
if (dp[u][t] != -1)
continue;
if (vis[u][t])
continue;
vis[u][t] = true;
dp[u][t] = D;
if (u == b[2])
ans = min((ans == -1 ? (int)1e16 : ans), D);
if (t <= block){
if (u - t >= 0 && dp[u - t][t] == -1)
Q[D + 1].push_back({u - t, t});
if (u + t < n && dp[u + t][t] == -1)
Q[D + 1].push_back({u + t, t});
}
for (int X : pw[u]){
if (X <= block){
if (u - X >= 0 && dp[u - X][X] == -1)
Q[D + 1].push_back({u - X, X});
if (u + X < n && dp[u + X][X] == -1)
Q[D + 1].push_back({u + X, X});
} else {
for (int i = u - X; i >= 0; i -= X)
if (dp[i][block + 1] == -1)
Q[D + (u - i) / X].push_back({i, X});
for (int i = u + X; i < n; i += X)
if (dp[i][block + 1] == -1)
Q[D + (i - u) / X].push_back({i, X});
}
}
}
}
cout << ans << "\n";
}
Compilation message
| # | 결과 | 실행 시간 | 메모리 | Grader output |
|---|---|---|---|---|
| 1 | Correct | 108 ms | 189256 KB | Output is correct |
| 2 | Correct | 111 ms | 189268 KB | Output is correct |
| 3 | Correct | 116 ms | 189256 KB | Output is correct |
| 4 | Correct | 115 ms | 189296 KB | Output is correct |
| 5 | Correct | 113 ms | 189256 KB | Output is correct |
| 6 | Correct | 112 ms | 189256 KB | Output is correct |
| 7 | Correct | 110 ms | 189416 KB | Output is correct |
| # | 결과 | 실행 시간 | 메모리 | Grader output |
|---|---|---|---|---|
| 1 | Correct | 119 ms | 189204 KB | Output is correct |
| 2 | Correct | 118 ms | 189256 KB | Output is correct |
| 3 | Correct | 113 ms | 189256 KB | Output is correct |
| 4 | Correct | 113 ms | 189256 KB | Output is correct |
| 5 | Correct | 113 ms | 189224 KB | Output is correct |
| 6 | Correct | 110 ms | 189256 KB | Output is correct |
| 7 | Correct | 110 ms | 189304 KB | Output is correct |
| 8 | Correct | 111 ms | 189324 KB | Output is correct |
| 9 | Correct | 112 ms | 189328 KB | Output is correct |
| 10 | Correct | 113 ms | 189468 KB | Output is correct |
| 11 | Correct | 115 ms | 189768 KB | Output is correct |
| 12 | Correct | 108 ms | 189512 KB | Output is correct |
| 13 | Correct | 104 ms | 189348 KB | Output is correct |
| 14 | Correct | 109 ms | 189768 KB | Output is correct |
| 15 | Correct | 112 ms | 189512 KB | Output is correct |
| # | 결과 | 실행 시간 | 메모리 | Grader output |
|---|---|---|---|---|
| 1 | Correct | 109 ms | 189216 KB | Output is correct |
| 2 | Correct | 115 ms | 189264 KB | Output is correct |
| 3 | Correct | 111 ms | 189256 KB | Output is correct |
| 4 | Correct | 123 ms | 189416 KB | Output is correct |
| 5 | Correct | 116 ms | 189360 KB | Output is correct |
| 6 | Correct | 119 ms | 189256 KB | Output is correct |
| 7 | Correct | 129 ms | 189256 KB | Output is correct |
| 8 | Correct | 104 ms | 189376 KB | Output is correct |
| 9 | Correct | 105 ms | 189256 KB | Output is correct |
| 10 | Correct | 121 ms | 189512 KB | Output is correct |
| 11 | Correct | 113 ms | 189768 KB | Output is correct |
| 12 | Correct | 106 ms | 189512 KB | Output is correct |
| 13 | Correct | 106 ms | 189512 KB | Output is correct |
| 14 | Correct | 106 ms | 189540 KB | Output is correct |
| 15 | Correct | 111 ms | 189516 KB | Output is correct |
| 16 | Correct | 114 ms | 189512 KB | Output is correct |
| 17 | Correct | 107 ms | 190292 KB | Output is correct |
| 18 | Correct | 116 ms | 190536 KB | Output is correct |
| 19 | Correct | 113 ms | 190516 KB | Output is correct |
| 20 | Correct | 112 ms | 190652 KB | Output is correct |
| 21 | Correct | 113 ms | 189556 KB | Output is correct |
| 22 | Correct | 114 ms | 190592 KB | Output is correct |
| 23 | Incorrect | 115 ms | 190476 KB | Output isn't correct |
| 24 | Halted | 0 ms | 0 KB | - |
| # | 결과 | 실행 시간 | 메모리 | Grader output |
|---|---|---|---|---|
| 1 | Correct | 119 ms | 189260 KB | Output is correct |
| 2 | Correct | 118 ms | 189380 KB | Output is correct |
| 3 | Correct | 120 ms | 189256 KB | Output is correct |
| 4 | Correct | 130 ms | 189304 KB | Output is correct |
| 5 | Correct | 123 ms | 189304 KB | Output is correct |
| 6 | Correct | 123 ms | 189232 KB | Output is correct |
| 7 | Correct | 114 ms | 189252 KB | Output is correct |
| 8 | Correct | 118 ms | 189380 KB | Output is correct |
| 9 | Correct | 113 ms | 189280 KB | Output is correct |
| 10 | Correct | 109 ms | 189368 KB | Output is correct |
| 11 | Correct | 115 ms | 189768 KB | Output is correct |
| 12 | Correct | 106 ms | 189396 KB | Output is correct |
| 13 | Correct | 108 ms | 189420 KB | Output is correct |
| 14 | Correct | 109 ms | 189772 KB | Output is correct |
| 15 | Correct | 120 ms | 189684 KB | Output is correct |
| 16 | Correct | 104 ms | 189512 KB | Output is correct |
| 17 | Correct | 107 ms | 190280 KB | Output is correct |
| 18 | Correct | 107 ms | 190536 KB | Output is correct |
| 19 | Correct | 124 ms | 190536 KB | Output is correct |
| 20 | Correct | 112 ms | 190836 KB | Output is correct |
| 21 | Correct | 108 ms | 189608 KB | Output is correct |
| 22 | Correct | 117 ms | 190436 KB | Output is correct |
| 23 | Incorrect | 112 ms | 190532 KB | Output isn't correct |
| 24 | Halted | 0 ms | 0 KB | - |
| # | 결과 | 실행 시간 | 메모리 | Grader output |
|---|---|---|---|---|
| 1 | Correct | 111 ms | 189256 KB | Output is correct |
| 2 | Correct | 115 ms | 189188 KB | Output is correct |
| 3 | Correct | 115 ms | 189264 KB | Output is correct |
| 4 | Correct | 111 ms | 189256 KB | Output is correct |
| 5 | Correct | 113 ms | 189256 KB | Output is correct |
| 6 | Correct | 130 ms | 189272 KB | Output is correct |
| 7 | Correct | 114 ms | 189256 KB | Output is correct |
| 8 | Correct | 117 ms | 189260 KB | Output is correct |
| 9 | Correct | 114 ms | 189252 KB | Output is correct |
| 10 | Correct | 110 ms | 189508 KB | Output is correct |
| 11 | Correct | 111 ms | 189768 KB | Output is correct |
| 12 | Correct | 113 ms | 189512 KB | Output is correct |
| 13 | Correct | 116 ms | 189512 KB | Output is correct |
| 14 | Correct | 113 ms | 189768 KB | Output is correct |
| 15 | Correct | 113 ms | 189512 KB | Output is correct |
| 16 | Correct | 118 ms | 189568 KB | Output is correct |
| 17 | Correct | 117 ms | 190132 KB | Output is correct |
| 18 | Correct | 119 ms | 190536 KB | Output is correct |
| 19 | Correct | 115 ms | 190500 KB | Output is correct |
| 20 | Correct | 120 ms | 190756 KB | Output is correct |
| 21 | Correct | 117 ms | 189512 KB | Output is correct |
| 22 | Correct | 119 ms | 190556 KB | Output is correct |
| 23 | Incorrect | 110 ms | 190708 KB | Output isn't correct |
| 24 | Halted | 0 ms | 0 KB | - |