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답안 #361458

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
361458 2021-01-30T09:17:02 Z alireza_kaviani Jakarta Skyscrapers (APIO15_skyscraper) C++11
57 / 100
 206 ms 191212 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;

#define all(x)						(x).begin(),(x).end()
#define X							first
#define Y							second
#define sep							' '
#define endl						'\n'
#define SZ(x)						ll(x.size())

const ll MAXN = 1e4 + 10;
const ll SQ = 200;
const ll LOG = 22;
const ll INF = 8e18;
const ll MOD = 1e9 + 7; //998244353; //1e9 + 9;

int n , m , ptr , q[MAXN * SQ * 4] , dist[MAXN * SQ * 2];
vector<int> adj[MAXN * SQ * 2];

void BFS(int v){
	fill(dist , dist + MAXN * SQ * 2 , MOD);
	dist[v] = 0;
	int ql = MAXN * SQ * 2 , qr = ql;
	q[qr++] = v;
	while(ql < qr){
		int v = q[ql++];
		for(int u : adj[v]){
			int cost = (v >= n + m && u >= n + m);
			if(dist[u] > dist[v] + cost){
				dist[u] = dist[v] + cost;
				if(cost == 0)	q[--ql] = u;
				else	q[qr++] = u;
			}
		}
	}
}

int main() {
    ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);

	cin >> n >> m;
	ptr = n + m;
	assert(n <= 2000);
	for(int i = 1 ; i < SQ ; i++){
		for(int j = 0 ; j + i < n ; j++){
			adj[ptr + j].push_back(ptr + j + i);
			adj[ptr + j + i].push_back(ptr + j);
		}
		for(int j = 0 ; j < n ; j++){
			adj[ptr + j].push_back(j);
		}
		ptr += n;
	}
	for(int i = 0 ; i < m ; i++){
		int x , y;
		cin >> x >> y;
		adj[x].push_back(n + i);
		if(y < SQ){
			adj[n + i].push_back(m + n * y + x);
			continue;
		}
		int z = x % y;
		for(int j = z ; j < n ; j += y){
			if(j + y < n){
				adj[ptr].push_back(ptr + 1);
				adj[ptr + 1].push_back(ptr);
			}
			adj[ptr].push_back(j);
			if(j == x){
				adj[n + i].push_back(ptr);
			}
			ptr++;
		}
	}
	BFS(n);
	/*for(int i = 0 ; i < ptr ; i++){
		cout << i << sep << dist[i] << endl;
	}*/
	cout << (dist[n + 1] == MOD ? -1 : dist[n + 1]) << endl;

    return 0;
}
/*

*/

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 74 ms 110060 KB Output is correct
2 Correct 75 ms 110060 KB Output is correct
3 Correct 74 ms 110036 KB Output is correct
4 Correct 75 ms 110080 KB Output is correct
5 Correct 73 ms 110172 KB Output is correct
6 Correct 75 ms 110188 KB Output is correct
7 Correct 76 ms 110316 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 75 ms 110060 KB Output is correct
2 Correct 74 ms 110188 KB Output is correct
3 Correct 75 ms 110060 KB Output is correct
4 Correct 75 ms 110060 KB Output is correct
5 Correct 78 ms 110188 KB Output is correct
6 Correct 80 ms 110060 KB Output is correct
7 Correct 76 ms 110048 KB Output is correct
8 Correct 78 ms 110316 KB Output is correct
9 Correct 76 ms 110444 KB Output is correct
10 Correct 77 ms 110700 KB Output is correct
11 Correct 82 ms 110828 KB Output is correct
12 Correct 78 ms 110828 KB Output is correct
13 Correct 76 ms 110700 KB Output is correct
14 Correct 78 ms 110828 KB Output is correct
15 Correct 77 ms 110828 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 75 ms 110188 KB Output is correct
2 Correct 74 ms 110060 KB Output is correct
3 Correct 81 ms 110060 KB Output is correct
4 Correct 78 ms 110188 KB Output is correct
5 Correct 74 ms 110060 KB Output is correct
6 Correct 75 ms 110060 KB Output is correct
7 Correct 75 ms 110148 KB Output is correct
8 Correct 75 ms 110444 KB Output is correct
9 Correct 75 ms 110444 KB Output is correct
10 Correct 78 ms 110700 KB Output is correct
11 Correct 78 ms 110828 KB Output is correct
12 Correct 77 ms 110700 KB Output is correct
13 Correct 78 ms 110828 KB Output is correct
14 Correct 79 ms 110828 KB Output is correct
15 Correct 78 ms 110828 KB Output is correct
16 Correct 79 ms 111272 KB Output is correct
17 Correct 93 ms 114924 KB Output is correct
18 Correct 112 ms 121216 KB Output is correct
19 Correct 117 ms 122604 KB Output is correct
20 Correct 122 ms 122604 KB Output is correct
21 Correct 83 ms 112620 KB Output is correct
22 Correct 112 ms 121196 KB Output is correct
23 Correct 118 ms 120172 KB Output is correct
24 Correct 120 ms 122220 KB Output is correct
25 Correct 120 ms 122732 KB Output is correct
26 Correct 118 ms 122604 KB Output is correct
27 Correct 121 ms 122732 KB Output is correct
28 Correct 120 ms 122860 KB Output is correct
29 Correct 130 ms 122732 KB Output is correct
30 Correct 118 ms 122604 KB Output is correct
31 Correct 123 ms 122732 KB Output is correct
32 Correct 120 ms 122604 KB Output is correct
33 Correct 126 ms 123116 KB Output is correct
34 Correct 126 ms 123116 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 75 ms 110172 KB Output is correct
2 Correct 74 ms 110060 KB Output is correct
3 Correct 74 ms 110060 KB Output is correct
4 Correct 74 ms 110060 KB Output is correct
5 Correct 74 ms 110188 KB Output is correct
6 Correct 84 ms 110060 KB Output is correct
7 Correct 74 ms 110188 KB Output is correct
8 Correct 75 ms 110316 KB Output is correct
9 Correct 76 ms 110444 KB Output is correct
10 Correct 78 ms 110700 KB Output is correct
11 Correct 77 ms 110828 KB Output is correct
12 Correct 76 ms 110700 KB Output is correct
13 Correct 76 ms 110700 KB Output is correct
14 Correct 78 ms 110828 KB Output is correct
15 Correct 80 ms 110828 KB Output is correct
16 Correct 78 ms 111340 KB Output is correct
17 Correct 99 ms 114924 KB Output is correct
18 Correct 121 ms 121068 KB Output is correct
19 Correct 117 ms 122604 KB Output is correct
20 Correct 123 ms 122604 KB Output is correct
21 Correct 85 ms 112620 KB Output is correct
22 Correct 115 ms 121196 KB Output is correct
23 Correct 116 ms 120172 KB Output is correct
24 Correct 118 ms 122220 KB Output is correct
25 Correct 121 ms 122828 KB Output is correct
26 Correct 120 ms 122892 KB Output is correct
27 Correct 121 ms 122860 KB Output is correct
28 Correct 121 ms 122860 KB Output is correct
29 Correct 121 ms 122884 KB Output is correct
30 Correct 118 ms 122604 KB Output is correct
31 Correct 119 ms 122860 KB Output is correct
32 Correct 128 ms 122604 KB Output is correct
33 Correct 128 ms 123116 KB Output is correct
34 Correct 125 ms 123244 KB Output is correct
35 Correct 142 ms 121964 KB Output is correct
36 Correct 102 ms 117356 KB Output is correct
37 Correct 166 ms 125804 KB Output is correct
38 Correct 171 ms 126700 KB Output is correct
39 Correct 167 ms 126700 KB Output is correct
40 Correct 166 ms 126700 KB Output is correct
41 Correct 173 ms 126672 KB Output is correct
42 Correct 124 ms 123884 KB Output is correct
43 Correct 126 ms 123884 KB Output is correct
44 Correct 127 ms 123884 KB Output is correct
45 Correct 196 ms 128492 KB Output is correct
46 Correct 195 ms 128492 KB Output is correct

Subtask #5
0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 78 ms 110060 KB Output is correct
2 Correct 73 ms 110040 KB Output is correct
3 Correct 74 ms 110188 KB Output is correct
4 Correct 74 ms 110188 KB Output is correct
5 Correct 76 ms 110060 KB Output is correct
6 Correct 74 ms 110144 KB Output is correct
7 Correct 74 ms 110316 KB Output is correct
8 Correct 74 ms 110444 KB Output is correct
9 Correct 74 ms 110444 KB Output is correct
10 Correct 75 ms 110700 KB Output is correct
11 Correct 78 ms 110828 KB Output is correct
12 Correct 80 ms 110700 KB Output is correct
13 Correct 75 ms 110700 KB Output is correct
14 Correct 76 ms 110828 KB Output is correct
15 Correct 77 ms 110836 KB Output is correct
16 Correct 87 ms 111468 KB Output is correct
17 Correct 92 ms 114924 KB Output is correct
18 Correct 117 ms 121068 KB Output is correct
19 Correct 120 ms 122604 KB Output is correct
20 Correct 124 ms 122988 KB Output is correct
21 Correct 81 ms 112548 KB Output is correct
22 Correct 135 ms 121344 KB Output is correct
23 Correct 110 ms 120172 KB Output is correct
24 Correct 121 ms 122220 KB Output is correct
25 Correct 123 ms 122732 KB Output is correct
26 Correct 120 ms 122604 KB Output is correct
27 Correct 120 ms 122604 KB Output is correct
28 Correct 119 ms 122860 KB Output is correct
29 Correct 122 ms 122860 KB Output is correct
30 Correct 122 ms 122604 KB Output is correct
31 Correct 119 ms 122732 KB Output is correct
32 Correct 122 ms 122604 KB Output is correct
33 Correct 126 ms 123116 KB Output is correct
34 Correct 127 ms 123116 KB Output is correct
35 Correct 142 ms 121964 KB Output is correct
36 Correct 103 ms 117380 KB Output is correct
37 Correct 171 ms 125676 KB Output is correct
38 Correct 167 ms 126700 KB Output is correct
39 Correct 168 ms 126700 KB Output is correct
40 Correct 169 ms 126700 KB Output is correct
41 Correct 169 ms 126700 KB Output is correct
42 Correct 125 ms 123884 KB Output is correct
43 Correct 123 ms 123884 KB Output is correct
44 Correct 128 ms 124012 KB Output is correct
45 Correct 203 ms 128492 KB Output is correct
46 Correct 206 ms 128492 KB Output is correct
47 Runtime error 187 ms 191212 KB Execution killed with signal 6
48 Halted 0 ms 0 KB -