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Submission #17333

# Submission time Handle Problem Language Result Execution time Memory
17333 2015-11-22T02:35:27 Z comet Jakarta Skyscrapers (APIO15_skyscraper) C++
57 / 100
 1000 ms 4796 KB 
#include <cstdio>
#include <queue>
#include <algorithm>
#include <cstring>
using namespace std;
typedef pair<int,int> pp;
typedef vector<int> vec;
typedef vector<vec> mat;
#define pb push_back


int N,M;
int a[30010],P[30010];
int dist[30010];
bool chk[30010];

priority_queue<pp,vector<pp>,greater<pp> > Q;

mat doge;


int main(){
	scanf("%d%d",&N,&M);
	doge.assign(N,vec());
	for(int i=0;i<M;i++){
		scanf("%d%d",&a[i],&P[i]);
		doge[a[i]].push_back(P[i]);
	}

	memset(dist,0x3f,sizeof(dist));
	int INF=dist[0];
	dist[a[0]]=0;
	Q.push(pp(0,a[0]));

	int v;
	while(!Q.empty()){
		do{
			v=Q.top().second;Q.pop();
		}while(!Q.empty()&&chk[v]);
		chk[v]=1;
		if(v==a[1])break;
		for(int k=0;k<doge[v].size();k++){
			int p=doge[v][k];
			for(int i=v+p;i<N;i+=p){
				if(abs(v-i)%p==0){
					if(dist[i]>dist[v]+abs(v-i)/p){
						dist[i]=dist[v]+abs(v-i)/p;
						Q.push(pp(dist[i],i));
					}
				}
			}
			for(int i=v-p;i>=0;i-=p){
				if(abs(v-i)%p==0){
					if(dist[i]>dist[v]+abs(v-i)/p){
						dist[i]=dist[v]+abs(v-i)/p;
						Q.push(pp(dist[i],i));
					}
				}
			}
		}
	}

	if(dist[a[1]]==INF){
		puts("-1");
	}else{
		printf("%d",dist[a[1]]);
	}
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1960 KB Output is correct
2 Correct 0 ms 1960 KB Output is correct
3 Correct 0 ms 1960 KB Output is correct
4 Correct 0 ms 1960 KB Output is correct
5 Correct 0 ms 1960 KB Output is correct
6 Correct 0 ms 1960 KB Output is correct
7 Correct 0 ms 1960 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1960 KB Output is correct
2 Correct 0 ms 1960 KB Output is correct
3 Correct 0 ms 1960 KB Output is correct
4 Correct 0 ms 1960 KB Output is correct
5 Correct 0 ms 1960 KB Output is correct
6 Correct 0 ms 1960 KB Output is correct
7 Correct 0 ms 1960 KB Output is correct
8 Correct 0 ms 1960 KB Output is correct
9 Correct 0 ms 1960 KB Output is correct
10 Correct 0 ms 1960 KB Output is correct
11 Correct 0 ms 1960 KB Output is correct
12 Correct 0 ms 1960 KB Output is correct
13 Correct 0 ms 1960 KB Output is correct
14 Correct 0 ms 1960 KB Output is correct
15 Correct 0 ms 1960 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1960 KB Output is correct
2 Correct 0 ms 1960 KB Output is correct
3 Correct 0 ms 1960 KB Output is correct
4 Correct 0 ms 1960 KB Output is correct
5 Correct 0 ms 1960 KB Output is correct
6 Correct 0 ms 1960 KB Output is correct
7 Correct 0 ms 1960 KB Output is correct
8 Correct 0 ms 1960 KB Output is correct
9 Correct 0 ms 1960 KB Output is correct
10 Correct 0 ms 1960 KB Output is correct
11 Correct 0 ms 1960 KB Output is correct
12 Correct 0 ms 1960 KB Output is correct
13 Correct 2 ms 1960 KB Output is correct
14 Correct 0 ms 1960 KB Output is correct
15 Correct 1 ms 1960 KB Output is correct
16 Correct 0 ms 1960 KB Output is correct
17 Correct 0 ms 1960 KB Output is correct
18 Correct 0 ms 1960 KB Output is correct
19 Correct 0 ms 1960 KB Output is correct
20 Correct 23 ms 2104 KB Output is correct
21 Correct 0 ms 1960 KB Output is correct
22 Correct 0 ms 1960 KB Output is correct
23 Correct 1 ms 1960 KB Output is correct
24 Correct 0 ms 1960 KB Output is correct
25 Correct 1 ms 1960 KB Output is correct
26 Correct 0 ms 1960 KB Output is correct
27 Correct 0 ms 1960 KB Output is correct
28 Correct 0 ms 1960 KB Output is correct
29 Correct 3 ms 2144 KB Output is correct
30 Correct 0 ms 2136 KB Output is correct
31 Correct 1 ms 2140 KB Output is correct
32 Correct 1 ms 2144 KB Output is correct
33 Correct 3 ms 2152 KB Output is correct
34 Correct 3 ms 2152 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1960 KB Output is correct
2 Correct 0 ms 1960 KB Output is correct
3 Correct 0 ms 1960 KB Output is correct
4 Correct 0 ms 1960 KB Output is correct
5 Correct 0 ms 1960 KB Output is correct
6 Correct 0 ms 1960 KB Output is correct
7 Correct 0 ms 1960 KB Output is correct
8 Correct 0 ms 1960 KB Output is correct
9 Correct 0 ms 1960 KB Output is correct
10 Correct 0 ms 1960 KB Output is correct
11 Correct 0 ms 1960 KB Output is correct
12 Correct 0 ms 1960 KB Output is correct
13 Correct 0 ms 1960 KB Output is correct
14 Correct 0 ms 1960 KB Output is correct
15 Correct 0 ms 1960 KB Output is correct
16 Correct 0 ms 1960 KB Output is correct
17 Correct 0 ms 1960 KB Output is correct
18 Correct 0 ms 1960 KB Output is correct
19 Correct 0 ms 1960 KB Output is correct
20 Correct 23 ms 2104 KB Output is correct
21 Correct 0 ms 1960 KB Output is correct
22 Correct 0 ms 1960 KB Output is correct
23 Correct 1 ms 1960 KB Output is correct
24 Correct 1 ms 1960 KB Output is correct
25 Correct 0 ms 1960 KB Output is correct
26 Correct 1 ms 1960 KB Output is correct
27 Correct 0 ms 1960 KB Output is correct
28 Correct 0 ms 1960 KB Output is correct
29 Correct 3 ms 2144 KB Output is correct
30 Correct 1 ms 2136 KB Output is correct
31 Correct 2 ms 2140 KB Output is correct
32 Correct 1 ms 2144 KB Output is correct
33 Correct 4 ms 2152 KB Output is correct
34 Correct 0 ms 2152 KB Output is correct
35 Correct 10 ms 2224 KB Output is correct
36 Correct 1 ms 1960 KB Output is correct
37 Correct 9 ms 2236 KB Output is correct
38 Correct 11 ms 2368 KB Output is correct
39 Correct 0 ms 2224 KB Output is correct
40 Correct 8 ms 2224 KB Output is correct
41 Correct 0 ms 2368 KB Output is correct
42 Correct 0 ms 2140 KB Output is correct
43 Correct 0 ms 2140 KB Output is correct
44 Correct 335 ms 2136 KB Output is correct
45 Correct 13 ms 2380 KB Output is correct
46 Correct 12 ms 2376 KB Output is correct

Subtask #5
0.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 1960 KB Output is correct
2 Correct 0 ms 1960 KB Output is correct
3 Correct 0 ms 1960 KB Output is correct
4 Correct 0 ms 1960 KB Output is correct
5 Correct 0 ms 1960 KB Output is correct
6 Correct 0 ms 1960 KB Output is correct
7 Correct 0 ms 1960 KB Output is correct
8 Correct 0 ms 1960 KB Output is correct
9 Correct 0 ms 1960 KB Output is correct
10 Correct 0 ms 1960 KB Output is correct
11 Correct 0 ms 1960 KB Output is correct
12 Correct 0 ms 1960 KB Output is correct
13 Correct 0 ms 1960 KB Output is correct
14 Correct 0 ms 1960 KB Output is correct
15 Correct 0 ms 1960 KB Output is correct
16 Correct 0 ms 1960 KB Output is correct
17 Correct 0 ms 1960 KB Output is correct
18 Correct 0 ms 1960 KB Output is correct
19 Correct 0 ms 1960 KB Output is correct
20 Correct 23 ms 2104 KB Output is correct
21 Correct 0 ms 1960 KB Output is correct
22 Correct 0 ms 1960 KB Output is correct
23 Correct 1 ms 1960 KB Output is correct
24 Correct 0 ms 1960 KB Output is correct
25 Correct 0 ms 1960 KB Output is correct
26 Correct 0 ms 1960 KB Output is correct
27 Correct 0 ms 1960 KB Output is correct
28 Correct 0 ms 1960 KB Output is correct
29 Correct 3 ms 2144 KB Output is correct
30 Correct 0 ms 2136 KB Output is correct
31 Correct 0 ms 2140 KB Output is correct
32 Correct 0 ms 2144 KB Output is correct
33 Correct 0 ms 2152 KB Output is correct
34 Correct 3 ms 2152 KB Output is correct
35 Correct 10 ms 2224 KB Output is correct
36 Correct 0 ms 1960 KB Output is correct
37 Correct 8 ms 2236 KB Output is correct
38 Correct 9 ms 2368 KB Output is correct
39 Correct 5 ms 2224 KB Output is correct
40 Correct 10 ms 2224 KB Output is correct
41 Correct 10 ms 2368 KB Output is correct
42 Correct 7 ms 2140 KB Output is correct
43 Correct 7 ms 2140 KB Output is correct
44 Correct 337 ms 2136 KB Output is correct
45 Correct 9 ms 2380 KB Output is correct
46 Correct 12 ms 2376 KB Output is correct
47 Correct 17 ms 3368 KB Output is correct
48 Correct 10 ms 2904 KB Output is correct
49 Correct 4 ms 2952 KB Output is correct
50 Correct 0 ms 2880 KB Output is correct
51 Correct 18 ms 4796 KB Output is correct
52 Correct 16 ms 4032 KB Output is correct
53 Correct 0 ms 3452 KB Output is correct
54 Correct 0 ms 2796 KB Output is correct
55 Correct 3 ms 2796 KB Output is correct
56 Execution timed out 1000 ms 3988 KB Program timed out
57 Halted 0 ms 0 KB -