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답안 #361459

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
361459 2021-01-30T09:18:44 Z alireza_kaviani Jakarta Skyscrapers (APIO15_skyscraper) C++11
57 / 100
 653 ms 262148 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;
	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 75 ms 110060 KB Output is correct
2 Correct 74 ms 110060 KB Output is correct
3 Correct 75 ms 110060 KB Output is correct
4 Correct 75 ms 110060 KB Output is correct
5 Correct 74 ms 110060 KB Output is correct
6 Correct 73 ms 110060 KB Output is correct
7 Correct 76 ms 110060 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 110060 KB Output is correct
3 Correct 75 ms 110060 KB Output is correct
4 Correct 74 ms 110060 KB Output is correct
5 Correct 75 ms 110060 KB Output is correct
6 Correct 76 ms 110188 KB Output is correct
7 Correct 75 ms 110060 KB Output is correct
8 Correct 75 ms 110316 KB Output is correct
9 Correct 75 ms 110444 KB Output is correct
10 Correct 77 ms 110700 KB Output is correct
11 Correct 77 ms 110828 KB Output is correct
12 Correct 77 ms 110700 KB Output is correct
13 Correct 76 ms 110700 KB Output is correct
14 Correct 83 ms 110828 KB Output is correct
15 Correct 76 ms 110828 KB Output is correct

Subtask #3
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 76 ms 110188 KB Output is correct
2 Correct 73 ms 110060 KB Output is correct
3 Correct 74 ms 110060 KB Output is correct
4 Correct 79 ms 110188 KB Output is correct
5 Correct 79 ms 110060 KB Output is correct
6 Correct 75 ms 110060 KB Output is correct
7 Correct 75 ms 110060 KB Output is correct
8 Correct 75 ms 110316 KB Output is correct
9 Correct 77 ms 110444 KB Output is correct
10 Correct 77 ms 110700 KB Output is correct
11 Correct 76 ms 110828 KB Output is correct
12 Correct 77 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 110828 KB Output is correct
16 Correct 77 ms 111340 KB Output is correct
17 Correct 97 ms 114924 KB Output is correct
18 Correct 118 ms 121068 KB Output is correct
19 Correct 123 ms 122600 KB Output is correct
20 Correct 119 ms 122604 KB Output is correct
21 Correct 88 ms 112620 KB Output is correct
22 Correct 115 ms 121196 KB Output is correct
23 Correct 110 ms 120172 KB Output is correct
24 Correct 120 ms 122220 KB Output is correct
25 Correct 117 ms 122732 KB Output is correct
26 Correct 116 ms 122604 KB Output is correct
27 Correct 115 ms 122604 KB Output is correct
28 Correct 119 ms 122860 KB Output is correct
29 Correct 128 ms 122732 KB Output is correct
30 Correct 130 ms 122568 KB Output is correct
31 Correct 126 ms 122688 KB Output is correct
32 Correct 126 ms 122732 KB Output is correct
33 Correct 130 ms 123008 KB Output is correct
34 Correct 131 ms 123116 KB Output is correct

Subtask #4
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 80 ms 110060 KB Output is correct
2 Correct 76 ms 110068 KB Output is correct
3 Correct 78 ms 110216 KB Output is correct
4 Correct 75 ms 110156 KB Output is correct
5 Correct 77 ms 110256 KB Output is correct
6 Correct 75 ms 110132 KB Output is correct
7 Correct 76 ms 110060 KB Output is correct
8 Correct 76 ms 110316 KB Output is correct
9 Correct 76 ms 110444 KB Output is correct
10 Correct 77 ms 110664 KB Output is correct
11 Correct 78 ms 110828 KB Output is correct
12 Correct 74 ms 110828 KB Output is correct
13 Correct 74 ms 110828 KB Output is correct
14 Correct 108 ms 110852 KB Output is correct
15 Correct 79 ms 110768 KB Output is correct
16 Correct 98 ms 111340 KB Output is correct
17 Correct 89 ms 114944 KB Output is correct
18 Correct 133 ms 121068 KB Output is correct
19 Correct 134 ms 122736 KB Output is correct
20 Correct 133 ms 122712 KB Output is correct
21 Correct 84 ms 112620 KB Output is correct
22 Correct 117 ms 121308 KB Output is correct
23 Correct 121 ms 120100 KB Output is correct
24 Correct 124 ms 122208 KB Output is correct
25 Correct 121 ms 122732 KB Output is correct
26 Correct 115 ms 122604 KB Output is correct
27 Correct 119 ms 122640 KB Output is correct
28 Correct 125 ms 122860 KB Output is correct
29 Correct 123 ms 122732 KB Output is correct
30 Correct 118 ms 122604 KB Output is correct
31 Correct 129 ms 122716 KB Output is correct
32 Correct 123 ms 122604 KB Output is correct
33 Correct 127 ms 123016 KB Output is correct
34 Correct 138 ms 123120 KB Output is correct
35 Correct 140 ms 121964 KB Output is correct
36 Correct 107 ms 117356 KB Output is correct
37 Correct 177 ms 125548 KB Output is correct
38 Correct 192 ms 126444 KB Output is correct
39 Correct 170 ms 126444 KB Output is correct
40 Correct 175 ms 126700 KB Output is correct
41 Correct 175 ms 126700 KB Output is correct
42 Correct 139 ms 124012 KB Output is correct
43 Correct 129 ms 124012 KB Output is correct
44 Correct 125 ms 123884 KB Output is correct
45 Correct 205 ms 128620 KB Output is correct
46 Correct 204 ms 128524 KB Output is correct

Subtask #5
0 / 43.0

# 결과 실행 시간 메모리 Grader output
1 Correct 73 ms 110060 KB Output is correct
2 Correct 81 ms 110060 KB Output is correct
3 Correct 71 ms 110060 KB Output is correct
4 Correct 79 ms 110060 KB Output is correct
5 Correct 72 ms 110060 KB Output is correct
6 Correct 75 ms 110060 KB Output is correct
7 Correct 74 ms 110316 KB Output is correct
8 Correct 76 ms 110316 KB Output is correct
9 Correct 75 ms 110444 KB Output is correct
10 Correct 77 ms 110700 KB Output is correct
11 Correct 76 ms 110828 KB Output is correct
12 Correct 79 ms 110828 KB Output is correct
13 Correct 75 ms 110880 KB Output is correct
14 Correct 76 ms 110972 KB Output is correct
15 Correct 81 ms 110828 KB Output is correct
16 Correct 81 ms 111340 KB Output is correct
17 Correct 94 ms 114924 KB Output is correct
18 Correct 116 ms 121068 KB Output is correct
19 Correct 122 ms 122604 KB Output is correct
20 Correct 122 ms 122732 KB Output is correct
21 Correct 84 ms 112620 KB Output is correct
22 Correct 117 ms 121324 KB Output is correct
23 Correct 114 ms 120208 KB Output is correct
24 Correct 124 ms 122220 KB Output is correct
25 Correct 122 ms 122732 KB Output is correct
26 Correct 127 ms 122604 KB Output is correct
27 Correct 130 ms 122604 KB Output is correct
28 Correct 128 ms 122860 KB Output is correct
29 Correct 125 ms 122732 KB Output is correct
30 Correct 124 ms 122604 KB Output is correct
31 Correct 124 ms 122672 KB Output is correct
32 Correct 123 ms 122604 KB Output is correct
33 Correct 128 ms 123264 KB Output is correct
34 Correct 128 ms 123132 KB Output is correct
35 Correct 138 ms 121964 KB Output is correct
36 Correct 112 ms 117356 KB Output is correct
37 Correct 169 ms 125676 KB Output is correct
38 Correct 162 ms 126700 KB Output is correct
39 Correct 173 ms 126828 KB Output is correct
40 Correct 171 ms 126700 KB Output is correct
41 Correct 170 ms 126700 KB Output is correct
42 Correct 128 ms 123892 KB Output is correct
43 Correct 130 ms 123884 KB Output is correct
44 Correct 130 ms 123884 KB Output is correct
45 Correct 196 ms 128492 KB Output is correct
46 Correct 198 ms 128492 KB Output is correct
47 Correct 595 ms 201196 KB Output is correct
48 Correct 653 ms 261888 KB Output is correct
49 Runtime error 644 ms 262148 KB Execution killed with signal 9
50 Halted 0 ms 0 KB -