oj.uz

답안 #903855

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
903855 2024-01-11T12:31:21 Z oblantis Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 602 ms 4056 KB 
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#pragma GCC optimize("O3,unroll-loops")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define all(v) v.begin(), v.end()
#define pb push_back
#define ss second
#define ff first
#define vt vector
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<double, int> pdi;
const int inf = 1e9;
const int mod = 1e9+7;
const int maxn = 30000;
void solve() {
    int n, m;
    cin >> n >> m;
    int a[m], b[m];
    vt<int> it[n];
    int dp[n];
    for(int i = 0; i < n; i++)dp[i] = inf;
    for(int i = 0; i < m; i++){
		cin >> a[i] >> b[i];
		it[a[i]].pb(i);
	}
	priority_queue<pii, vt<pii>, greater<pii>> pq;
	pq.push({0, a[0]});
	dp[a[0]] = 0;
	while(!pq.empty()){
		pii nw = pq.top();
		pq.pop();
		if(dp[nw.ss] != nw.ff)continue;
		for(auto i : it[nw.ss]){
			int x = b[i];
			for(int j = nw.ss - x, cnt = 1; j >= 0; cnt++, j -= x){
				if(dp[j] > nw.ff + cnt){
					dp[j] = nw.ff + cnt;
					pq.push({dp[j], j});
				}
			}
			for(int j = nw.ss + x, cnt = 1; j < n; cnt++, j += x){
				if(dp[j] > nw.ff + cnt){
					dp[j] = nw.ff + cnt;
					pq.push({dp[j], j});
				}
			}
		}
	}
	if(dp[a[1]] == inf)cout << -1;
	else cout << dp[a[1]];
}
int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int times = 1;
	//cin >> times;
	for(int i = 1; i <= times; i++) {
		solve();
	}
	return 0;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 352 KB Output is correct
3 Correct 0 ms 352 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 352 KB Output is correct
6 Correct 1 ms 356 KB Output is correct
7 Correct 1 ms 352 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 360 KB Output is correct
2 Correct 1 ms 472 KB Output is correct
3 Correct 0 ms 360 KB Output is correct
4 Correct 0 ms 360 KB Output is correct
5 Correct 0 ms 360 KB Output is correct
6 Correct 0 ms 360 KB Output is correct
7 Correct 0 ms 360 KB Output is correct
8 Correct 1 ms 368 KB Output is correct
9 Correct 0 ms 360 KB Output is correct
10 Correct 0 ms 360 KB Output is correct
11 Correct 1 ms 360 KB Output is correct
12 Correct 1 ms 360 KB Output is correct
13 Correct 1 ms 476 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 352 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 452 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 600 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 3 ms 600 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 360 KB Output is correct
23 Correct 1 ms 476 KB Output is correct
24 Correct 1 ms 616 KB Output is correct
25 Correct 2 ms 612 KB Output is correct
26 Correct 3 ms 360 KB Output is correct
27 Correct 3 ms 572 KB Output is correct
28 Correct 1 ms 360 KB Output is correct
29 Correct 2 ms 616 KB Output is correct
30 Correct 1 ms 616 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 1 ms 604 KB Output is correct
33 Correct 2 ms 548 KB Output is correct
34 Correct 2 ms 604 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 456 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 360 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 456 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 500 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 3 ms 604 KB Output is correct
21 Correct 1 ms 464 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 572 KB Output is correct
25 Correct 1 ms 592 KB Output is correct
26 Correct 3 ms 356 KB Output is correct
27 Correct 3 ms 564 KB Output is correct
28 Correct 1 ms 604 KB Output is correct
29 Correct 2 ms 600 KB Output is correct
30 Correct 1 ms 452 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 1 ms 604 KB Output is correct
33 Correct 3 ms 600 KB Output is correct
34 Correct 3 ms 604 KB Output is correct
35 Correct 5 ms 1024 KB Output is correct
36 Correct 1 ms 604 KB Output is correct
37 Correct 5 ms 860 KB Output is correct
38 Correct 6 ms 1116 KB Output is correct
39 Correct 8 ms 1152 KB Output is correct
40 Correct 6 ms 1116 KB Output is correct
41 Correct 7 ms 1116 KB Output is correct
42 Correct 77 ms 1176 KB Output is correct
43 Correct 40 ms 1180 KB Output is correct
44 Correct 44 ms 1176 KB Output is correct
45 Correct 5 ms 1372 KB Output is correct
46 Correct 5 ms 1372 KB Output is correct

Subtask #5
43.0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 448 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 352 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 3 ms 636 KB Output is correct
21 Correct 1 ms 504 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 560 KB Output is correct
24 Correct 1 ms 604 KB Output is correct
25 Correct 1 ms 604 KB Output is correct
26 Correct 6 ms 348 KB Output is correct
27 Correct 3 ms 348 KB Output is correct
28 Correct 1 ms 604 KB Output is correct
29 Correct 2 ms 740 KB Output is correct
30 Correct 1 ms 604 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 1 ms 604 KB Output is correct
33 Correct 3 ms 604 KB Output is correct
34 Correct 2 ms 604 KB Output is correct
35 Correct 5 ms 1208 KB Output is correct
36 Correct 1 ms 604 KB Output is correct
37 Correct 4 ms 1112 KB Output is correct
38 Correct 7 ms 1116 KB Output is correct
39 Correct 6 ms 1236 KB Output is correct
40 Correct 6 ms 1128 KB Output is correct
41 Correct 6 ms 1152 KB Output is correct
42 Correct 42 ms 1172 KB Output is correct
43 Correct 37 ms 1116 KB Output is correct
44 Correct 61 ms 1116 KB Output is correct
45 Correct 5 ms 1372 KB Output is correct
46 Correct 6 ms 1236 KB Output is correct
47 Correct 13 ms 2008 KB Output is correct
48 Correct 4 ms 1884 KB Output is correct
49 Correct 4 ms 1884 KB Output is correct
50 Correct 4 ms 1864 KB Output is correct
51 Correct 23 ms 3388 KB Output is correct
52 Correct 19 ms 3032 KB Output is correct
53 Correct 11 ms 3032 KB Output is correct
54 Correct 2 ms 1476 KB Output is correct
55 Correct 2 ms 1372 KB Output is correct
56 Correct 488 ms 2932 KB Output is correct
57 Correct 44 ms 3452 KB Output is correct
58 Correct 299 ms 1920 KB Output is correct
59 Correct 602 ms 1992 KB Output is correct
60 Correct 363 ms 1964 KB Output is correct
61 Correct 484 ms 2140 KB Output is correct
62 Correct 7 ms 2652 KB Output is correct
63 Correct 30 ms 3052 KB Output is correct
64 Correct 27 ms 4048 KB Output is correct
65 Correct 29 ms 4056 KB Output is correct
66 Correct 49 ms 4044 KB Output is correct
67 Correct 49 ms 4044 KB Output is correct