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Submission #17356

# Submission time Handle Problem Language Result Execution time Memory
17356 2015-11-26T02:10:37 Z comet Jakarta Skyscrapers (APIO15_skyscraper) C++
100 / 100
 110 ms 10908 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 1 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 1 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 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 0 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 3 ms 7100 KB Output is correct
30 Correct 1 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 0 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 0 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 2 ms 7100 KB Output is correct
33 Correct 4 ms 7108 KB Output is correct
34 Correct 0 ms 7108 KB Output is correct
35 Correct 4 ms 7180 KB Output is correct
36 Correct 2 ms 6916 KB Output is correct
37 Correct 6 ms 7192 KB Output is correct
38 Correct 5 ms 7324 KB Output is correct
39 Correct 11 ms 7180 KB Output is correct
40 Correct 0 ms 7180 KB Output is correct
41 Correct 12 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 8 ms 7092 KB Output is correct
45 Correct 12 ms 7336 KB Output is correct
46 Correct 6 ms 7332 KB Output is correct

Subtask #5
43.0 / 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 1 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 0 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 1 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 1 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 1 ms 6916 KB Output is correct
37 Correct 3 ms 7192 KB Output is correct
38 Correct 9 ms 7324 KB Output is correct
39 Correct 11 ms 7180 KB Output is correct
40 Correct 10 ms 7180 KB Output is correct
41 Correct 6 ms 7324 KB Output is correct
42 Correct 7 ms 7096 KB Output is correct
43 Correct 5 ms 7096 KB Output is correct
44 Correct 8 ms 7092 KB Output is correct
45 Correct 13 ms 7336 KB Output is correct
46 Correct 10 ms 7332 KB Output is correct
47 Correct 9 ms 8324 KB Output is correct
48 Correct 10 ms 7860 KB Output is correct
49 Correct 0 ms 7908 KB Output is correct
50 Correct 0 ms 7836 KB Output is correct
51 Correct 16 ms 8984 KB Output is correct
52 Correct 19 ms 8988 KB Output is correct
53 Correct 0 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 Correct 12 ms 8544 KB Output is correct
57 Correct 3 ms 8080 KB Output is correct
58 Correct 12 ms 7884 KB Output is correct
59 Correct 9 ms 7884 KB Output is correct
60 Correct 8 ms 7888 KB Output is correct
61 Correct 4 ms 7900 KB Output is correct
62 Correct 5 ms 8544 KB Output is correct
63 Correct 53 ms 9400 KB Output is correct
64 Correct 56 ms 9360 KB Output is correct
65 Correct 72 ms 10908 KB Output is correct
66 Correct 110 ms 10872 KB Output is correct
67 Correct 90 ms 10876 KB Output is correct