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Submission #17355

# Submission time Handle Problem Language Result Execution time Memory
17355 2015-11-26T02:05:53 Z comet Jakarta Skyscrapers (APIO15_skyscraper) C++
57 / 100
 1000 ms 8988 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
#define B 170

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

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]);
		if(P[i]<B){
			chk[a[i]][P[i]]=1;
		}
	}

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

	int v,d;
	while(!Q.empty()){
		v=Q.top().second;d=Q.top().first;Q.pop();
		if(dist[v]!=d)continue;
		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(dist[i]>dist[v]+(i-v)/p){
					dist[i]=dist[v]+(i-v)/p;
					Q.push(pp(dist[i],i));
					if(p<B&&chk[i][p])break;
					if(p<B)chk[i][p]=1;
				}
			}
			for(int i=v-p;i>=0;i-=p){
				if(dist[i]>dist[v]+(v-i)/p){
					dist[i]=dist[v]+(v-i)/p;
					Q.push(pp(dist[i],i));
					if(p<B&&chk[i][p])break;
					if(p<B)chk[i][p]=1;
				}
			}
		}
	}
	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 6916 KB Output is correct
2 Correct 0 ms 6916 KB Output is correct
3 Correct 0 ms 6916 KB Output is correct
4 Correct 0 ms 6916 KB Output is correct
5 Correct 0 ms 6916 KB Output is correct
6 Correct 0 ms 6916 KB Output is correct
7 Correct 0 ms 6916 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 6916 KB Output is correct
2 Correct 0 ms 6916 KB Output is correct
3 Correct 0 ms 6916 KB Output is correct
4 Correct 0 ms 6916 KB Output is correct
5 Correct 0 ms 6916 KB Output is correct
6 Correct 0 ms 6916 KB Output is correct
7 Correct 0 ms 6916 KB Output is correct
8 Correct 0 ms 6916 KB Output is correct
9 Correct 0 ms 6916 KB Output is correct
10 Correct 0 ms 6916 KB Output is correct
11 Correct 0 ms 6916 KB Output is correct
12 Correct 0 ms 6916 KB Output is correct
13 Correct 0 ms 6916 KB Output is correct
14 Correct 0 ms 6916 KB Output is correct
15 Correct 0 ms 6916 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 6916 KB Output is correct
2 Correct 0 ms 6916 KB Output is correct
3 Correct 0 ms 6916 KB Output is correct
4 Correct 0 ms 6916 KB Output is correct
5 Correct 0 ms 6916 KB Output is correct
6 Correct 0 ms 6916 KB Output is correct
7 Correct 0 ms 6916 KB Output is correct
8 Correct 0 ms 6916 KB Output is correct
9 Correct 0 ms 6916 KB Output is correct
10 Correct 0 ms 6916 KB Output is correct
11 Correct 0 ms 6916 KB Output is correct
12 Correct 0 ms 6916 KB Output is correct
13 Correct 2 ms 6916 KB Output is correct
14 Correct 0 ms 6916 KB Output is correct
15 Correct 0 ms 6916 KB Output is correct
16 Correct 0 ms 6916 KB Output is correct
17 Correct 0 ms 6916 KB Output is correct
18 Correct 0 ms 6916 KB Output is correct
19 Correct 0 ms 6916 KB Output is correct
20 Correct 11 ms 6916 KB Output is correct
21 Correct 0 ms 6916 KB Output is correct
22 Correct 0 ms 6916 KB Output is correct
23 Correct 0 ms 6916 KB Output is correct
24 Correct 0 ms 6916 KB Output is correct
25 Correct 0 ms 6916 KB Output is correct
26 Correct 0 ms 6916 KB Output is correct
27 Correct 0 ms 6916 KB Output is correct
28 Correct 1 ms 6916 KB Output is correct
29 Correct 0 ms 7100 KB Output is correct
30 Correct 0 ms 7092 KB Output is correct
31 Correct 2 ms 7096 KB Output is correct
32 Correct 0 ms 7100 KB Output is correct
33 Correct 4 ms 7108 KB Output is correct
34 Correct 3 ms 7108 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 6916 KB Output is correct
2 Correct 0 ms 6916 KB Output is correct
3 Correct 0 ms 6916 KB Output is correct
4 Correct 0 ms 6916 KB Output is correct
5 Correct 0 ms 6916 KB Output is correct
6 Correct 0 ms 6916 KB Output is correct
7 Correct 0 ms 6916 KB Output is correct
8 Correct 0 ms 6916 KB Output is correct
9 Correct 0 ms 6916 KB Output is correct
10 Correct 0 ms 6916 KB Output is correct
11 Correct 0 ms 6916 KB Output is correct
12 Correct 0 ms 6916 KB Output is correct
13 Correct 0 ms 6916 KB Output is correct
14 Correct 0 ms 6916 KB Output is correct
15 Correct 0 ms 6916 KB Output is correct
16 Correct 0 ms 6916 KB Output is correct
17 Correct 0 ms 6916 KB Output is correct
18 Correct 0 ms 6916 KB Output is correct
19 Correct 0 ms 6916 KB Output is correct
20 Correct 7 ms 6916 KB Output is correct
21 Correct 0 ms 6916 KB Output is correct
22 Correct 0 ms 6916 KB Output is correct
23 Correct 0 ms 6916 KB Output is correct
24 Correct 0 ms 6916 KB Output is correct
25 Correct 1 ms 6916 KB Output is correct
26 Correct 1 ms 6916 KB Output is correct
27 Correct 1 ms 6916 KB Output is correct
28 Correct 0 ms 6916 KB Output is correct
29 Correct 3 ms 7100 KB Output is correct
30 Correct 0 ms 7092 KB Output is correct
31 Correct 2 ms 7096 KB Output is correct
32 Correct 1 ms 7100 KB Output is correct
33 Correct 4 ms 7108 KB Output is correct
34 Correct 3 ms 7108 KB Output is correct
35 Correct 9 ms 7180 KB Output is correct
36 Correct 0 ms 6916 KB Output is correct
37 Correct 6 ms 7192 KB Output is correct
38 Correct 10 ms 7324 KB Output is correct
39 Correct 6 ms 7180 KB Output is correct
40 Correct 9 ms 7180 KB Output is correct
41 Correct 12 ms 7324 KB Output is correct
42 Correct 5 ms 7096 KB Output is correct
43 Correct 0 ms 7096 KB Output is correct
44 Correct 301 ms 7092 KB Output is correct
45 Correct 11 ms 7336 KB Output is correct
46 Correct 12 ms 7332 KB Output is correct

Subtask #5
0.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 6916 KB Output is correct
2 Correct 0 ms 6916 KB Output is correct
3 Correct 0 ms 6916 KB Output is correct
4 Correct 0 ms 6916 KB Output is correct
5 Correct 0 ms 6916 KB Output is correct
6 Correct 0 ms 6916 KB Output is correct
7 Correct 0 ms 6916 KB Output is correct
8 Correct 0 ms 6916 KB Output is correct
9 Correct 0 ms 6916 KB Output is correct
10 Correct 0 ms 6916 KB Output is correct
11 Correct 0 ms 6916 KB Output is correct
12 Correct 0 ms 6916 KB Output is correct
13 Correct 0 ms 6916 KB Output is correct
14 Correct 0 ms 6916 KB Output is correct
15 Correct 1 ms 6916 KB Output is correct
16 Correct 0 ms 6916 KB Output is correct
17 Correct 1 ms 6916 KB Output is correct
18 Correct 0 ms 6916 KB Output is correct
19 Correct 0 ms 6916 KB Output is correct
20 Correct 11 ms 6916 KB Output is correct
21 Correct 0 ms 6916 KB Output is correct
22 Correct 0 ms 6916 KB Output is correct
23 Correct 0 ms 6916 KB Output is correct
24 Correct 2 ms 6916 KB Output is correct
25 Correct 0 ms 6916 KB Output is correct
26 Correct 0 ms 6916 KB Output is correct
27 Correct 0 ms 6916 KB Output is correct
28 Correct 0 ms 6916 KB Output is correct
29 Correct 0 ms 7100 KB Output is correct
30 Correct 0 ms 7092 KB Output is correct
31 Correct 0 ms 7096 KB Output is correct
32 Correct 0 ms 7100 KB Output is correct
33 Correct 4 ms 7108 KB Output is correct
34 Correct 3 ms 7108 KB Output is correct
35 Correct 0 ms 7180 KB Output is correct
36 Correct 0 ms 6916 KB Output is correct
37 Correct 9 ms 7192 KB Output is correct
38 Correct 12 ms 7324 KB Output is correct
39 Correct 0 ms 7180 KB Output is correct
40 Correct 0 ms 7180 KB Output is correct
41 Correct 6 ms 7324 KB Output is correct
42 Correct 0 ms 7096 KB Output is correct
43 Correct 0 ms 7096 KB Output is correct
44 Correct 300 ms 7092 KB Output is correct
45 Correct 10 ms 7336 KB Output is correct
46 Correct 6 ms 7332 KB Output is correct
47 Correct 12 ms 8324 KB Output is correct
48 Correct 9 ms 7860 KB Output is correct
49 Correct 9 ms 7908 KB Output is correct
50 Correct 6 ms 7836 KB Output is correct
51 Correct 20 ms 8984 KB Output is correct
52 Correct 22 ms 8988 KB Output is correct
53 Correct 15 ms 8408 KB Output is correct
54 Correct 4 ms 7752 KB Output is correct
55 Correct 0 ms 7752 KB Output is correct
56 Execution timed out 1000 ms 8540 KB Program timed out
57 Halted 0 ms 0 KB -