oj.uz

Submission #444287

# Submission time Handle Problem Language Result Execution time Memory
444287 2021-07-13T13:45:10 Z Giselus Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 47268 KB 
#include<cstdio>
#include<algorithm>
#include<queue>
#include<vector>
#define S 30007
#define M 300
using namespace std;

int B[S];
int P[S];

int n,m;

int odw[S];
int odw2[S][M+7];

vector < int > doge[S];

priority_queue < pair < int, pair < int , int > >, vector < pair < int , pair < int , int > > > , greater < pair < int , pair < int , int > > > > q;

void dijkstra(){
    q.push({0,{0,B[0]}});
    while(!q.empty()){
        int koszt = q.top().first;
        int pies = q.top().second.first;
        int gdzie = q.top().second.second;
        q.pop();
        if(!odw[gdzie]){
            for(int i = 0; i < doge[gdzie].size();i++){
                if(P[doge[gdzie][i]] <= M){
                    q.push({koszt,{doge[gdzie][i],gdzie}});
                }else{
                    int p = 0;
                    for(int j = gdzie; j >= 0; j -= P[doge[gdzie][i]]){
                        q.push({koszt+p,{doge[gdzie][i],j}});
                        p++;
                    }
                    p = 0;
                    for(int j = gdzie; j < n; j += P[doge[gdzie][i]]){
                        q.push({koszt+p,{doge[gdzie][i],j}});
                        p++;
                    }
                }
            }
            odw[gdzie] = koszt+1;
        }

        if(P[pies] <= M){
            if(!odw2[gdzie][P[pies]]){
                odw2[gdzie][P[pies]] = 1;
                if(gdzie - P[pies] >= 0)
                    q.push({koszt+1,{pies, gdzie - P[pies]}});
                if(gdzie + P[pies] < n)
                    q.push({koszt+1,{pies, gdzie + P[pies]}});
            }
        }
    }
}

int main(void){
    scanf("%d %d",&n,&m);
    for(int i = 0; i < m;i++){
        scanf("%d %d",&B[i],&P[i]);
        doge[B[i]].push_back(i);
    }
    dijkstra();
    if(odw[B[1]]){
        printf("%d",odw[B[1]]-1);
    }else{
        printf("-1");
    }

    return 0;
}
/*
5 3
0 2
1 1
4 1
*/

Compilation message

skyscraper.cpp: In function 'void dijkstra()':
skyscraper.cpp:29:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |             for(int i = 0; i < doge[gdzie].size();i++){
      |                            ~~^~~~~~~~~~~~~~~~~~~~
skyscraper.cpp: In function 'int main()':
skyscraper.cpp:61:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   61 |     scanf("%d %d",&n,&m);
      |     ~~~~~^~~~~~~~~~~~~~~
skyscraper.cpp:63:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   63 |         scanf("%d %d",&B[i],&P[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 1 ms 972 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 988 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 1 ms 972 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 972 KB Output is correct
10 Correct 1 ms 1100 KB Output is correct
11 Correct 2 ms 1100 KB Output is correct
12 Correct 2 ms 1100 KB Output is correct
13 Correct 1 ms 1100 KB Output is correct
14 Correct 3 ms 1228 KB Output is correct
15 Correct 3 ms 1228 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 996 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 1 ms 972 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 972 KB Output is correct
10 Correct 1 ms 1100 KB Output is correct
11 Correct 3 ms 1100 KB Output is correct
12 Correct 2 ms 1100 KB Output is correct
13 Correct 1 ms 1128 KB Output is correct
14 Correct 3 ms 1228 KB Output is correct
15 Correct 3 ms 1228 KB Output is correct
16 Correct 1 ms 996 KB Output is correct
17 Correct 6 ms 2028 KB Output is correct
18 Correct 1 ms 972 KB Output is correct
19 Correct 1 ms 972 KB Output is correct
20 Correct 3 ms 3404 KB Output is correct
21 Correct 1 ms 992 KB Output is correct
22 Correct 1 ms 972 KB Output is correct
23 Correct 4 ms 2892 KB Output is correct
24 Correct 7 ms 3404 KB Output is correct
25 Correct 4 ms 3404 KB Output is correct
26 Correct 4 ms 3404 KB Output is correct
27 Correct 4 ms 3532 KB Output is correct
28 Correct 5 ms 3404 KB Output is correct
29 Correct 18 ms 3404 KB Output is correct
30 Correct 6 ms 3404 KB Output is correct
31 Correct 11 ms 3404 KB Output is correct
32 Correct 8 ms 3424 KB Output is correct
33 Correct 35 ms 3536 KB Output is correct
34 Correct 35 ms 3532 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 1 ms 972 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 1100 KB Output is correct
11 Correct 2 ms 1100 KB Output is correct
12 Correct 2 ms 1100 KB Output is correct
13 Correct 1 ms 1100 KB Output is correct
14 Correct 3 ms 1128 KB Output is correct
15 Correct 3 ms 1164 KB Output is correct
16 Correct 1 ms 992 KB Output is correct
17 Correct 6 ms 1996 KB Output is correct
18 Correct 1 ms 972 KB Output is correct
19 Correct 1 ms 992 KB Output is correct
20 Correct 3 ms 3404 KB Output is correct
21 Correct 1 ms 972 KB Output is correct
22 Correct 1 ms 972 KB Output is correct
23 Correct 4 ms 2892 KB Output is correct
24 Correct 6 ms 3276 KB Output is correct
25 Correct 4 ms 3404 KB Output is correct
26 Correct 4 ms 3476 KB Output is correct
27 Correct 4 ms 3532 KB Output is correct
28 Correct 4 ms 3404 KB Output is correct
29 Correct 18 ms 3476 KB Output is correct
30 Correct 6 ms 3416 KB Output is correct
31 Correct 11 ms 3404 KB Output is correct
32 Correct 8 ms 3452 KB Output is correct
33 Correct 35 ms 3532 KB Output is correct
34 Correct 35 ms 3532 KB Output is correct
35 Correct 41 ms 3704 KB Output is correct
36 Correct 8 ms 2440 KB Output is correct
37 Correct 66 ms 4556 KB Output is correct
38 Correct 66 ms 4716 KB Output is correct
39 Correct 64 ms 4676 KB Output is correct
40 Correct 64 ms 4720 KB Output is correct
41 Correct 65 ms 4748 KB Output is correct
42 Correct 13 ms 4496 KB Output is correct
43 Correct 13 ms 4492 KB Output is correct
44 Correct 12 ms 4496 KB Output is correct
45 Correct 171 ms 4840 KB Output is correct
46 Correct 170 ms 4820 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 1 ms 972 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 972 KB Output is correct
10 Correct 1 ms 1100 KB Output is correct
11 Correct 3 ms 1128 KB Output is correct
12 Correct 2 ms 1100 KB Output is correct
13 Correct 2 ms 1100 KB Output is correct
14 Correct 3 ms 1228 KB Output is correct
15 Correct 3 ms 1228 KB Output is correct
16 Correct 1 ms 996 KB Output is correct
17 Correct 6 ms 1996 KB Output is correct
18 Correct 1 ms 972 KB Output is correct
19 Correct 1 ms 972 KB Output is correct
20 Correct 3 ms 3404 KB Output is correct
21 Correct 1 ms 972 KB Output is correct
22 Correct 1 ms 992 KB Output is correct
23 Correct 4 ms 2920 KB Output is correct
24 Correct 6 ms 3276 KB Output is correct
25 Correct 5 ms 3436 KB Output is correct
26 Correct 4 ms 3404 KB Output is correct
27 Correct 4 ms 3532 KB Output is correct
28 Correct 5 ms 3404 KB Output is correct
29 Correct 19 ms 3456 KB Output is correct
30 Correct 6 ms 3404 KB Output is correct
31 Correct 11 ms 3396 KB Output is correct
32 Correct 9 ms 3404 KB Output is correct
33 Correct 37 ms 3484 KB Output is correct
34 Correct 35 ms 3528 KB Output is correct
35 Correct 42 ms 3748 KB Output is correct
36 Correct 8 ms 2508 KB Output is correct
37 Correct 67 ms 4556 KB Output is correct
38 Correct 65 ms 4804 KB Output is correct
39 Correct 64 ms 4676 KB Output is correct
40 Correct 66 ms 4676 KB Output is correct
41 Correct 64 ms 4784 KB Output is correct
42 Correct 13 ms 4496 KB Output is correct
43 Correct 12 ms 4492 KB Output is correct
44 Correct 12 ms 4492 KB Output is correct
45 Correct 173 ms 4784 KB Output is correct
46 Correct 177 ms 4788 KB Output is correct
47 Correct 296 ms 19120 KB Output is correct
48 Correct 9 ms 1776 KB Output is correct
49 Correct 8 ms 1740 KB Output is correct
50 Correct 6 ms 1612 KB Output is correct
51 Correct 137 ms 38840 KB Output is correct
52 Correct 145 ms 38900 KB Output is correct
53 Correct 47 ms 38256 KB Output is correct
54 Correct 25 ms 37068 KB Output is correct
55 Correct 26 ms 37124 KB Output is correct
56 Correct 37 ms 38528 KB Output is correct
57 Correct 177 ms 37188 KB Output is correct
58 Correct 43 ms 38076 KB Output is correct
59 Correct 51 ms 38344 KB Output is correct
60 Correct 61 ms 38180 KB Output is correct
61 Correct 53 ms 38252 KB Output is correct
62 Correct 87 ms 38552 KB Output is correct
63 Correct 862 ms 47268 KB Output is correct
64 Execution timed out 1089 ms 46496 KB Time limit exceeded
65 Halted 0 ms 0 KB -