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Submission #383366

# Submission time Handle Problem Language Result Execution time Memory
383366 2021-03-29T18:22:58 Z tjrwodnjs999 Jakarta Skyscrapers (APIO15_skyscraper) C++11
100 / 100
 649 ms 112748 KB 
#include <bits/stdc++.h>
#define ll long long
#define x first
#define y second
using namespace std;
int n,m,B[30005],P[30005],v[30005];
queue<pair<pair<int,int>,int>> q;
vector<int> vt[30005];
bitset<30005> bit[30005];
void f(int now,int p,int cost){
    if(!v[now]){
        v[now]=1;
        for(int i:vt[now]){
            if(!bit[now][i]){
                bit[now][i]=1;
                q.push({{now,i},cost});
            }
        }
    }
    if(!bit[now][p]){
        bit[now][p]=1;
        q.push({{now,p},cost});
    }
}
int main()
{
    scanf("%d%d",&n,&m);
    for(int i=1;i<=m;i++){
        scanf("%d%d",&B[i],&P[i]);
        vt[B[i]].push_back(P[i]);
    }
    v[B[1]]=1;
    for(int i:vt[B[1]]){
        if(!bit[B[1]][i]){
            bit[B[1]][i]=1;
            q.push({{B[1],i},0});
        }
    }
    while(!q.empty()){
        int now=q.front().x.x,p=q.front().x.y,cost=q.front().y; q.pop();
        if(now==B[2]) return !printf("%d",cost);
        if(now-p>=0) f(now-p,p,cost+1);
        if(now+p<n) f(now+p,p,cost+1);
    }
    printf("-1");
    return 0;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:27:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   27 |     scanf("%d%d",&n,&m);
      |     ~~~~~^~~~~~~~~~~~~~
skyscraper.cpp:29:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   29 |         scanf("%d%d",&B[i],&P[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1004 KB Output is correct
2 Correct 1 ms 1004 KB Output is correct
3 Correct 1 ms 1004 KB Output is correct
4 Correct 1 ms 1004 KB Output is correct
5 Correct 1 ms 1004 KB Output is correct
6 Correct 1 ms 1004 KB Output is correct
7 Correct 1 ms 1132 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1004 KB Output is correct
2 Correct 1 ms 1004 KB Output is correct
3 Correct 2 ms 1004 KB Output is correct
4 Correct 1 ms 1004 KB Output is correct
5 Correct 1 ms 1004 KB Output is correct
6 Correct 1 ms 1004 KB Output is correct
7 Correct 1 ms 1132 KB Output is correct
8 Correct 1 ms 1004 KB Output is correct
9 Correct 1 ms 1132 KB Output is correct
10 Correct 2 ms 1388 KB Output is correct
11 Correct 2 ms 1388 KB Output is correct
12 Correct 2 ms 1388 KB Output is correct
13 Correct 2 ms 1388 KB Output is correct
14 Correct 2 ms 1516 KB Output is correct
15 Correct 2 ms 1516 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1004 KB Output is correct
2 Correct 1 ms 1004 KB Output is correct
3 Correct 1 ms 1004 KB Output is correct
4 Correct 2 ms 1004 KB Output is correct
5 Correct 2 ms 1004 KB Output is correct
6 Correct 1 ms 1004 KB Output is correct
7 Correct 2 ms 1152 KB Output is correct
8 Correct 1 ms 1004 KB Output is correct
9 Correct 1 ms 1132 KB Output is correct
10 Correct 2 ms 1388 KB Output is correct
11 Correct 2 ms 1388 KB Output is correct
12 Correct 2 ms 1388 KB Output is correct
13 Correct 2 ms 1388 KB Output is correct
14 Correct 2 ms 1516 KB Output is correct
15 Correct 2 ms 1516 KB Output is correct
16 Correct 2 ms 1004 KB Output is correct
17 Correct 4 ms 3820 KB Output is correct
18 Correct 2 ms 1132 KB Output is correct
19 Correct 2 ms 1132 KB Output is correct
20 Correct 7 ms 8428 KB Output is correct
21 Correct 2 ms 1132 KB Output is correct
22 Correct 2 ms 1132 KB Output is correct
23 Correct 6 ms 6400 KB Output is correct
24 Correct 7 ms 7532 KB Output is correct
25 Correct 4 ms 2540 KB Output is correct
26 Correct 6 ms 7404 KB Output is correct
27 Correct 7 ms 7788 KB Output is correct
28 Correct 8 ms 8428 KB Output is correct
29 Correct 9 ms 8428 KB Output is correct
30 Correct 9 ms 8428 KB Output is correct
31 Correct 8 ms 8428 KB Output is correct
32 Correct 7 ms 8428 KB Output is correct
33 Correct 12 ms 8428 KB Output is correct
34 Correct 10 ms 8428 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1004 KB Output is correct
2 Correct 1 ms 1004 KB Output is correct
3 Correct 1 ms 1004 KB Output is correct
4 Correct 1 ms 1004 KB Output is correct
5 Correct 2 ms 1004 KB Output is correct
6 Correct 2 ms 1004 KB Output is correct
7 Correct 2 ms 1132 KB Output is correct
8 Correct 1 ms 1004 KB Output is correct
9 Correct 2 ms 1132 KB Output is correct
10 Correct 2 ms 1388 KB Output is correct
11 Correct 2 ms 1388 KB Output is correct
12 Correct 2 ms 1388 KB Output is correct
13 Correct 2 ms 1388 KB Output is correct
14 Correct 2 ms 1516 KB Output is correct
15 Correct 2 ms 1536 KB Output is correct
16 Correct 2 ms 1004 KB Output is correct
17 Correct 4 ms 3820 KB Output is correct
18 Correct 2 ms 1132 KB Output is correct
19 Correct 2 ms 1132 KB Output is correct
20 Correct 7 ms 8428 KB Output is correct
21 Correct 2 ms 1132 KB Output is correct
22 Correct 2 ms 1132 KB Output is correct
23 Correct 6 ms 6380 KB Output is correct
24 Correct 7 ms 7532 KB Output is correct
25 Correct 3 ms 2540 KB Output is correct
26 Correct 6 ms 7404 KB Output is correct
27 Correct 7 ms 7788 KB Output is correct
28 Correct 8 ms 8428 KB Output is correct
29 Correct 9 ms 8428 KB Output is correct
30 Correct 7 ms 8428 KB Output is correct
31 Correct 8 ms 8428 KB Output is correct
32 Correct 8 ms 8428 KB Output is correct
33 Correct 12 ms 8428 KB Output is correct
34 Correct 10 ms 8428 KB Output is correct
35 Correct 16 ms 7276 KB Output is correct
36 Correct 5 ms 2924 KB Output is correct
37 Correct 13 ms 8940 KB Output is correct
38 Correct 16 ms 9452 KB Output is correct
39 Correct 9 ms 2284 KB Output is correct
40 Correct 11 ms 4588 KB Output is correct
41 Correct 15 ms 8940 KB Output is correct
42 Correct 11 ms 7916 KB Output is correct
43 Correct 11 ms 8428 KB Output is correct
44 Correct 12 ms 9068 KB Output is correct
45 Correct 31 ms 9452 KB Output is correct
46 Correct 21 ms 9452 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1004 KB Output is correct
2 Correct 1 ms 1004 KB Output is correct
3 Correct 1 ms 1004 KB Output is correct
4 Correct 1 ms 1004 KB Output is correct
5 Correct 1 ms 1004 KB Output is correct
6 Correct 1 ms 1004 KB Output is correct
7 Correct 1 ms 1132 KB Output is correct
8 Correct 2 ms 1004 KB Output is correct
9 Correct 2 ms 1132 KB Output is correct
10 Correct 2 ms 1388 KB Output is correct
11 Correct 2 ms 1388 KB Output is correct
12 Correct 2 ms 1388 KB Output is correct
13 Correct 2 ms 1388 KB Output is correct
14 Correct 2 ms 1516 KB Output is correct
15 Correct 3 ms 1516 KB Output is correct
16 Correct 2 ms 1004 KB Output is correct
17 Correct 5 ms 3820 KB Output is correct
18 Correct 2 ms 1132 KB Output is correct
19 Correct 2 ms 1132 KB Output is correct
20 Correct 7 ms 8428 KB Output is correct
21 Correct 2 ms 1132 KB Output is correct
22 Correct 3 ms 1132 KB Output is correct
23 Correct 8 ms 6380 KB Output is correct
24 Correct 7 ms 7532 KB Output is correct
25 Correct 3 ms 2540 KB Output is correct
26 Correct 6 ms 7404 KB Output is correct
27 Correct 7 ms 7788 KB Output is correct
28 Correct 8 ms 8428 KB Output is correct
29 Correct 9 ms 8428 KB Output is correct
30 Correct 7 ms 8428 KB Output is correct
31 Correct 8 ms 8428 KB Output is correct
32 Correct 8 ms 8448 KB Output is correct
33 Correct 11 ms 8428 KB Output is correct
34 Correct 9 ms 8428 KB Output is correct
35 Correct 17 ms 7276 KB Output is correct
36 Correct 4 ms 2924 KB Output is correct
37 Correct 13 ms 8940 KB Output is correct
38 Correct 17 ms 9528 KB Output is correct
39 Correct 11 ms 2248 KB Output is correct
40 Correct 13 ms 4588 KB Output is correct
41 Correct 17 ms 8940 KB Output is correct
42 Correct 11 ms 7916 KB Output is correct
43 Correct 12 ms 8428 KB Output is correct
44 Correct 13 ms 9068 KB Output is correct
45 Correct 33 ms 9452 KB Output is correct
46 Correct 21 ms 9452 KB Output is correct
47 Correct 32 ms 31084 KB Output is correct
48 Correct 10 ms 1900 KB Output is correct
49 Correct 8 ms 1900 KB Output is correct
50 Correct 6 ms 1644 KB Output is correct
51 Correct 85 ms 86380 KB Output is correct
52 Correct 87 ms 94828 KB Output is correct
53 Correct 25 ms 18924 KB Output is correct
54 Correct 46 ms 61420 KB Output is correct
55 Correct 59 ms 78020 KB Output is correct
56 Correct 97 ms 112628 KB Output is correct
57 Correct 3 ms 2796 KB Output is correct
58 Correct 94 ms 111980 KB Output is correct
59 Correct 94 ms 104172 KB Output is correct
60 Correct 95 ms 104172 KB Output is correct
61 Correct 84 ms 99200 KB Output is correct
62 Correct 145 ms 112748 KB Output is correct
63 Correct 289 ms 112320 KB Output is correct
64 Correct 353 ms 112108 KB Output is correct
65 Correct 438 ms 112356 KB Output is correct
66 Correct 649 ms 112236 KB Output is correct
67 Correct 393 ms 112224 KB Output is correct