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Submission #27365

# Submission time Handle Problem Language Result Execution time Memory
27365 2017-07-12T10:41:35 Z TAMREF Jakarta Skyscrapers (APIO15_skyscraper) C++11
100 / 100
 449 ms 9480 KB 
#include <bits/stdc++.h>
#define va first
#define vb second
#define mp make_pair
#define all(x) x.begin(),x.end()
using namespace std;
typedef pair<int,int> pii;
const int mx=30005;
int dist[mx], B[mx], P[mx];
vector<int> C[mx];
int N,M;
void input(){
    scanf("%d%d",&N,&M);
    for(int i=0;i<M;i++){
        scanf("%d%d",&B[i],&P[i]);
        C[B[i]].push_back(P[i]);
    }
    for(int i=0;i<N;i++){
        sort(all(C[i]));
        C[i].erase(unique(all(C[i])),C[i].end());
    }
    fill(dist,dist+N,(int)1e9);
}
void dijk(int s){
    priority_queue<pii,vector<pii>,greater<pii>> q;
    q.push(mp(dist[s]=0,s));
    pii t;
    while(!q.empty()){
        t=q.top(); q.pop();
        if(t.va>dist[t.vb]) continue;
        for(int p : C[t.vb]){
            for(int x=1;t.vb+p*x<N;++x){
                if(dist[t.vb+p*x]>t.va+x){
                    q.push(mp(dist[t.vb+p*x]=t.va+x,t.vb+p*x));
                    if(binary_search(all(C[t.vb+p*x]),p)) break;
                }
            }
            for(int x=1;t.vb-p*x>=0;++x){
                if(dist[t.vb-p*x]>t.va+x){
                    q.push(mp(dist[t.vb-p*x]=t.va+x,t.vb-p*x));
                    if(binary_search(all(C[t.vb-p*x]),p)) break;
                }
            }
        }
    }
}
int main(){
    input();
    dijk(B[0]);
    printf("%d\n",dist[B[1]]==(int)1e9?-1:dist[B[1]]);
}

Compilation message

skyscraper.cpp: In function 'void input()':
skyscraper.cpp:13:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&N,&M);
                        ^
skyscraper.cpp:15:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&B[i],&P[i]);
                                  ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3076 KB Output is correct
2 Correct 0 ms 3076 KB Output is correct
3 Correct 0 ms 3076 KB Output is correct
4 Correct 0 ms 3076 KB Output is correct
5 Correct 0 ms 3076 KB Output is correct
6 Correct 0 ms 3076 KB Output is correct
7 Correct 0 ms 3076 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3076 KB Output is correct
2 Correct 0 ms 3076 KB Output is correct
3 Correct 0 ms 3076 KB Output is correct
4 Correct 0 ms 3076 KB Output is correct
5 Correct 0 ms 3076 KB Output is correct
6 Correct 0 ms 3076 KB Output is correct
7 Correct 0 ms 3076 KB Output is correct
8 Correct 0 ms 3076 KB Output is correct
9 Correct 0 ms 3076 KB Output is correct
10 Correct 0 ms 3076 KB Output is correct
11 Correct 0 ms 3076 KB Output is correct
12 Correct 0 ms 3076 KB Output is correct
13 Correct 0 ms 3076 KB Output is correct
14 Correct 0 ms 3076 KB Output is correct
15 Correct 0 ms 3076 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3076 KB Output is correct
2 Correct 0 ms 3076 KB Output is correct
3 Correct 0 ms 3076 KB Output is correct
4 Correct 0 ms 3076 KB Output is correct
5 Correct 0 ms 3076 KB Output is correct
6 Correct 0 ms 3076 KB Output is correct
7 Correct 0 ms 3076 KB Output is correct
8 Correct 0 ms 3076 KB Output is correct
9 Correct 0 ms 3076 KB Output is correct
10 Correct 0 ms 3076 KB Output is correct
11 Correct 0 ms 3076 KB Output is correct
12 Correct 0 ms 3076 KB Output is correct
13 Correct 0 ms 3076 KB Output is correct
14 Correct 0 ms 3076 KB Output is correct
15 Correct 0 ms 3076 KB Output is correct
16 Correct 0 ms 3076 KB Output is correct
17 Correct 0 ms 3208 KB Output is correct
18 Correct 0 ms 3076 KB Output is correct
19 Correct 0 ms 3076 KB Output is correct
20 Correct 3 ms 3208 KB Output is correct
21 Correct 0 ms 3076 KB Output is correct
22 Correct 0 ms 3076 KB Output is correct
23 Correct 0 ms 3076 KB Output is correct
24 Correct 3 ms 3220 KB Output is correct
25 Correct 0 ms 3208 KB Output is correct
26 Correct 0 ms 3076 KB Output is correct
27 Correct 0 ms 3076 KB Output is correct
28 Correct 0 ms 3208 KB Output is correct
29 Correct 3 ms 3356 KB Output is correct
30 Correct 0 ms 3220 KB Output is correct
31 Correct 0 ms 3220 KB Output is correct
32 Correct 0 ms 3224 KB Output is correct
33 Correct 3 ms 3560 KB Output is correct
34 Correct 6 ms 3560 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3076 KB Output is correct
2 Correct 0 ms 3076 KB Output is correct
3 Correct 0 ms 3076 KB Output is correct
4 Correct 0 ms 3076 KB Output is correct
5 Correct 0 ms 3076 KB Output is correct
6 Correct 0 ms 3076 KB Output is correct
7 Correct 0 ms 3076 KB Output is correct
8 Correct 0 ms 3076 KB Output is correct
9 Correct 0 ms 3076 KB Output is correct
10 Correct 0 ms 3076 KB Output is correct
11 Correct 0 ms 3076 KB Output is correct
12 Correct 0 ms 3076 KB Output is correct
13 Correct 0 ms 3076 KB Output is correct
14 Correct 0 ms 3076 KB Output is correct
15 Correct 0 ms 3076 KB Output is correct
16 Correct 0 ms 3076 KB Output is correct
17 Correct 0 ms 3208 KB Output is correct
18 Correct 0 ms 3076 KB Output is correct
19 Correct 0 ms 3076 KB Output is correct
20 Correct 3 ms 3208 KB Output is correct
21 Correct 0 ms 3076 KB Output is correct
22 Correct 0 ms 3076 KB Output is correct
23 Correct 0 ms 3076 KB Output is correct
24 Correct 0 ms 3220 KB Output is correct
25 Correct 3 ms 3208 KB Output is correct
26 Correct 0 ms 3076 KB Output is correct
27 Correct 0 ms 3076 KB Output is correct
28 Correct 0 ms 3208 KB Output is correct
29 Correct 3 ms 3356 KB Output is correct
30 Correct 0 ms 3220 KB Output is correct
31 Correct 0 ms 3220 KB Output is correct
32 Correct 0 ms 3224 KB Output is correct
33 Correct 3 ms 3560 KB Output is correct
34 Correct 3 ms 3560 KB Output is correct
35 Correct 3 ms 3340 KB Output is correct
36 Correct 0 ms 3208 KB Output is correct
37 Correct 6 ms 3344 KB Output is correct
38 Correct 9 ms 3524 KB Output is correct
39 Correct 9 ms 3520 KB Output is correct
40 Correct 6 ms 3524 KB Output is correct
41 Correct 6 ms 3524 KB Output is correct
42 Correct 3 ms 3352 KB Output is correct
43 Correct 6 ms 3352 KB Output is correct
44 Correct 6 ms 3348 KB Output is correct
45 Correct 6 ms 3720 KB Output is correct
46 Correct 9 ms 3724 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3076 KB Output is correct
2 Correct 0 ms 3076 KB Output is correct
3 Correct 0 ms 3076 KB Output is correct
4 Correct 0 ms 3076 KB Output is correct
5 Correct 0 ms 3076 KB Output is correct
6 Correct 0 ms 3076 KB Output is correct
7 Correct 0 ms 3076 KB Output is correct
8 Correct 0 ms 3076 KB Output is correct
9 Correct 0 ms 3076 KB Output is correct
10 Correct 0 ms 3076 KB Output is correct
11 Correct 0 ms 3076 KB Output is correct
12 Correct 0 ms 3076 KB Output is correct
13 Correct 0 ms 3076 KB Output is correct
14 Correct 0 ms 3076 KB Output is correct
15 Correct 0 ms 3076 KB Output is correct
16 Correct 0 ms 3076 KB Output is correct
17 Correct 0 ms 3208 KB Output is correct
18 Correct 0 ms 3076 KB Output is correct
19 Correct 0 ms 3076 KB Output is correct
20 Correct 3 ms 3208 KB Output is correct
21 Correct 0 ms 3076 KB Output is correct
22 Correct 0 ms 3076 KB Output is correct
23 Correct 0 ms 3076 KB Output is correct
24 Correct 0 ms 3220 KB Output is correct
25 Correct 0 ms 3208 KB Output is correct
26 Correct 0 ms 3076 KB Output is correct
27 Correct 0 ms 3076 KB Output is correct
28 Correct 0 ms 3208 KB Output is correct
29 Correct 3 ms 3356 KB Output is correct
30 Correct 0 ms 3220 KB Output is correct
31 Correct 0 ms 3220 KB Output is correct
32 Correct 0 ms 3224 KB Output is correct
33 Correct 3 ms 3560 KB Output is correct
34 Correct 3 ms 3560 KB Output is correct
35 Correct 6 ms 3340 KB Output is correct
36 Correct 0 ms 3208 KB Output is correct
37 Correct 0 ms 3344 KB Output is correct
38 Correct 13 ms 3524 KB Output is correct
39 Correct 6 ms 3520 KB Output is correct
40 Correct 9 ms 3524 KB Output is correct
41 Correct 13 ms 3524 KB Output is correct
42 Correct 6 ms 3352 KB Output is correct
43 Correct 3 ms 3352 KB Output is correct
44 Correct 6 ms 3348 KB Output is correct
45 Correct 9 ms 3720 KB Output is correct
46 Correct 6 ms 3724 KB Output is correct
47 Correct 19 ms 4272 KB Output is correct
48 Correct 9 ms 3604 KB Output is correct
49 Correct 9 ms 3604 KB Output is correct
50 Correct 3 ms 3472 KB Output is correct
51 Correct 36 ms 4520 KB Output is correct
52 Correct 29 ms 4524 KB Output is correct
53 Correct 16 ms 4524 KB Output is correct
54 Correct 0 ms 3348 KB Output is correct
55 Correct 0 ms 3348 KB Output is correct
56 Correct 449 ms 4000 KB Output is correct
57 Correct 46 ms 4764 KB Output is correct
58 Correct 13 ms 3416 KB Output is correct
59 Correct 9 ms 3416 KB Output is correct
60 Correct 9 ms 3424 KB Output is correct
61 Correct 6 ms 3432 KB Output is correct
62 Correct 16 ms 4000 KB Output is correct
63 Correct 43 ms 6464 KB Output is correct
64 Correct 33 ms 6428 KB Output is correct
65 Correct 66 ms 6452 KB Output is correct
66 Correct 126 ms 9480 KB Output is correct
67 Correct 126 ms 9480 KB Output is correct