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Submission #383367

# Submission time Handle Problem Language Result Execution time Memory
383367 2021-03-29T18:23:14 Z tjrwodnjs999 Jakarta Skyscrapers (APIO15_skyscraper) C++11
100 / 100
 670 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 2 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 2 ms 1132 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 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 2 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 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 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 2 ms 1004 KB Output is correct
3 Correct 2 ms 1024 KB Output is correct
4 Correct 5 ms 1104 KB Output is correct
5 Correct 1 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 2 ms 1004 KB Output is correct
9 Correct 3 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 1132 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 1024 KB Output is correct
22 Correct 2 ms 1132 KB Output is correct
23 Correct 11 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 7 ms 7404 KB Output is correct
27 Correct 7 ms 7788 KB Output is correct
28 Correct 9 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

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 2 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 2 ms 1004 KB Output is correct
7 Correct 2 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 3 ms 1516 KB Output is correct
15 Correct 2 ms 1516 KB Output is correct
16 Correct 2 ms 1132 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 10 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 9 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 11 ms 8428 KB Output is correct
35 Correct 14 ms 7148 KB Output is correct
36 Correct 4 ms 2924 KB Output is correct
37 Correct 13 ms 8940 KB Output is correct
38 Correct 16 ms 9324 KB Output is correct
39 Correct 10 ms 2156 KB Output is correct
40 Correct 11 ms 4460 KB Output is correct
41 Correct 15 ms 8812 KB Output is correct
42 Correct 11 ms 7916 KB Output is correct
43 Correct 13 ms 8300 KB Output is correct
44 Correct 12 ms 8940 KB Output is correct
45 Correct 32 ms 9324 KB Output is correct
46 Correct 22 ms 9324 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 2 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 2 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 2 ms 1516 KB Output is correct
16 Correct 2 ms 1132 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 1152 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 7 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 13 ms 7148 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 9324 KB Output is correct
39 Correct 9 ms 2156 KB Output is correct
40 Correct 11 ms 4460 KB Output is correct
41 Correct 15 ms 8812 KB Output is correct
42 Correct 11 ms 7916 KB Output is correct
43 Correct 12 ms 8300 KB Output is correct
44 Correct 13 ms 8940 KB Output is correct
45 Correct 31 ms 9324 KB Output is correct
46 Correct 22 ms 9452 KB Output is correct
47 Correct 33 ms 30956 KB Output is correct
48 Correct 9 ms 1772 KB Output is correct
49 Correct 8 ms 1772 KB Output is correct
50 Correct 6 ms 1644 KB Output is correct
51 Correct 81 ms 86252 KB Output is correct
52 Correct 89 ms 94700 KB Output is correct
53 Correct 24 ms 18796 KB Output is correct
54 Correct 45 ms 61420 KB Output is correct
55 Correct 58 ms 78060 KB Output is correct
56 Correct 93 ms 112620 KB Output is correct
57 Correct 4 ms 2796 KB Output is correct
58 Correct 91 ms 111852 KB Output is correct
59 Correct 87 ms 104172 KB Output is correct
60 Correct 88 ms 104172 KB Output is correct
61 Correct 82 ms 99180 KB Output is correct
62 Correct 141 ms 112748 KB Output is correct
63 Correct 270 ms 112236 KB Output is correct
64 Correct 319 ms 112108 KB Output is correct
65 Correct 388 ms 112236 KB Output is correct
66 Correct 670 ms 112108 KB Output is correct
67 Correct 363 ms 112132 KB Output is correct