oj.uz

Submission #31723

# Submission time Handle Problem Language Result Execution time Memory
31723 2017-09-02T16:18:38 Z top34051 Jakarta Skyscrapers (APIO15_skyscraper) C++14
36 / 100
 339 ms 262144 KB 
#include<bits/stdc++.h>
using namespace std;
#define inf 1e9
struct node {
    int x,val;
    node(int _x = 0,int _val = 0) {
        x = _x; val = _val;
    }
    bool operator < (node a) const {
        return a.val<val;
    }
};
int n,m,st,ft;
int mem[2005];
vector<pair<int,int> > from[2005];
priority_queue<node> heap;
main() {
    int i,x,y,pos,val;
    scanf("%d%d",&n,&m);
    for(i=0;i<m;i++) {
        scanf("%d%d",&pos,&val);
        if(i==0) st = pos;
        if(i==1) ft = pos;
        for(x=0;x<n;x++) if(abs(pos-x)%val==0) from[pos].push_back({x,abs(pos-x)/val});
    }
    for(i=0;i<n;i++) mem[i] = inf;
    mem[st] = 0;
    heap.push(node(st,0));
    while(!heap.empty()) {
        x = heap.top().x; heap.pop();
        for(i=0;i<from[x].size();i++) {
            y = from[x][i].first; val = from[x][i].second;
            if(mem[y] > mem[x] + val) {
                mem[y] = mem[x] + val;
                heap.push(node(y,mem[y]));
            }
        }
    }
    if(mem[ft]==inf) printf("-1");
    else printf("%d",mem[ft]);
}

Compilation message

skyscraper.cpp:17:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^
skyscraper.cpp: In function 'int main()':
skyscraper.cpp:31:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(i=0;i<from[x].size();i++) {
                  ^
skyscraper.cpp:19:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&m);
                        ^
skyscraper.cpp:21:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&pos,&val);
                                ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2068 KB Output is correct
2 Correct 0 ms 2068 KB Output is correct
3 Correct 0 ms 2068 KB Output is correct
4 Correct 0 ms 2068 KB Output is correct
5 Correct 0 ms 2068 KB Output is correct
6 Correct 0 ms 2068 KB Output is correct
7 Correct 0 ms 2068 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2068 KB Output is correct
2 Correct 0 ms 2068 KB Output is correct
3 Correct 0 ms 2068 KB Output is correct
4 Correct 0 ms 2068 KB Output is correct
5 Correct 0 ms 2068 KB Output is correct
6 Correct 0 ms 2068 KB Output is correct
7 Correct 0 ms 2068 KB Output is correct
8 Correct 0 ms 2068 KB Output is correct
9 Correct 0 ms 2068 KB Output is correct
10 Correct 0 ms 2068 KB Output is correct
11 Correct 0 ms 2200 KB Output is correct
12 Correct 3 ms 5228 KB Output is correct
13 Correct 3 ms 5232 KB Output is correct
14 Correct 0 ms 2200 KB Output is correct
15 Correct 0 ms 2200 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2068 KB Output is correct
2 Correct 0 ms 2068 KB Output is correct
3 Correct 0 ms 2068 KB Output is correct
4 Correct 0 ms 2068 KB Output is correct
5 Correct 0 ms 2068 KB Output is correct
6 Correct 0 ms 2068 KB Output is correct
7 Correct 0 ms 2068 KB Output is correct
8 Correct 0 ms 2068 KB Output is correct
9 Correct 0 ms 2068 KB Output is correct
10 Correct 0 ms 2068 KB Output is correct
11 Correct 0 ms 2200 KB Output is correct
12 Correct 3 ms 5228 KB Output is correct
13 Correct 3 ms 5232 KB Output is correct
14 Correct 0 ms 2200 KB Output is correct
15 Correct 0 ms 2200 KB Output is correct
16 Correct 0 ms 2200 KB Output is correct
17 Correct 6 ms 2332 KB Output is correct
18 Correct 6 ms 2200 KB Output is correct
19 Correct 6 ms 2204 KB Output is correct
20 Correct 46 ms 34096 KB Output is correct
21 Correct 3 ms 2068 KB Output is correct
22 Correct 6 ms 2200 KB Output is correct
23 Correct 6 ms 2200 KB Output is correct
24 Correct 16 ms 2340 KB Output is correct
25 Correct 19 ms 2208 KB Output is correct
26 Correct 59 ms 51440 KB Output is correct
27 Correct 66 ms 51360 KB Output is correct
28 Correct 19 ms 2332 KB Output is correct
29 Correct 9 ms 3056 KB Output is correct
30 Correct 3 ms 2516 KB Output is correct
31 Correct 9 ms 2644 KB Output is correct
32 Correct 3 ms 2512 KB Output is correct
33 Correct 23 ms 3704 KB Output is correct
34 Correct 23 ms 3792 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2068 KB Output is correct
2 Correct 0 ms 2068 KB Output is correct
3 Correct 0 ms 2068 KB Output is correct
4 Correct 0 ms 2068 KB Output is correct
5 Correct 0 ms 2068 KB Output is correct
6 Correct 0 ms 2068 KB Output is correct
7 Correct 0 ms 2068 KB Output is correct
8 Correct 0 ms 2068 KB Output is correct
9 Correct 0 ms 2068 KB Output is correct
10 Correct 0 ms 2068 KB Output is correct
11 Correct 0 ms 2200 KB Output is correct
12 Correct 3 ms 5228 KB Output is correct
13 Correct 3 ms 5232 KB Output is correct
14 Correct 0 ms 2200 KB Output is correct
15 Correct 0 ms 2200 KB Output is correct
16 Correct 0 ms 2200 KB Output is correct
17 Correct 6 ms 2332 KB Output is correct
18 Correct 9 ms 2200 KB Output is correct
19 Correct 3 ms 2204 KB Output is correct
20 Correct 49 ms 34096 KB Output is correct
21 Correct 0 ms 2068 KB Output is correct
22 Correct 6 ms 2200 KB Output is correct
23 Correct 3 ms 2200 KB Output is correct
24 Correct 16 ms 2340 KB Output is correct
25 Correct 19 ms 2208 KB Output is correct
26 Correct 56 ms 51440 KB Output is correct
27 Correct 63 ms 51360 KB Output is correct
28 Correct 19 ms 2332 KB Output is correct
29 Correct 3 ms 3056 KB Output is correct
30 Correct 3 ms 2516 KB Output is correct
31 Correct 6 ms 2644 KB Output is correct
32 Correct 3 ms 2512 KB Output is correct
33 Correct 19 ms 3704 KB Output is correct
34 Correct 23 ms 3792 KB Output is correct
35 Correct 189 ms 3952 KB Output is correct
36 Correct 26 ms 2332 KB Output is correct
37 Correct 189 ms 5708 KB Output is correct
38 Correct 289 ms 5188 KB Output is correct
39 Correct 339 ms 5460 KB Output is correct
40 Correct 299 ms 5316 KB Output is correct
41 Correct 289 ms 5248 KB Output is correct
42 Memory limit exceeded 199 ms 262144 KB Memory limit exceeded
43 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2068 KB Output is correct
2 Correct 0 ms 2068 KB Output is correct
3 Correct 0 ms 2068 KB Output is correct
4 Correct 0 ms 2068 KB Output is correct
5 Correct 0 ms 2068 KB Output is correct
6 Correct 0 ms 2068 KB Output is correct
7 Correct 0 ms 2068 KB Output is correct
8 Correct 0 ms 2068 KB Output is correct
9 Correct 0 ms 2068 KB Output is correct
10 Correct 0 ms 2068 KB Output is correct
11 Correct 0 ms 2200 KB Output is correct
12 Correct 3 ms 5228 KB Output is correct
13 Correct 0 ms 5232 KB Output is correct
14 Correct 0 ms 2200 KB Output is correct
15 Correct 0 ms 2200 KB Output is correct
16 Correct 0 ms 2200 KB Output is correct
17 Correct 6 ms 2332 KB Output is correct
18 Correct 6 ms 2200 KB Output is correct
19 Correct 3 ms 2204 KB Output is correct
20 Correct 73 ms 34096 KB Output is correct
21 Correct 3 ms 2068 KB Output is correct
22 Correct 6 ms 2200 KB Output is correct
23 Correct 6 ms 2200 KB Output is correct
24 Correct 16 ms 2340 KB Output is correct
25 Correct 19 ms 2208 KB Output is correct
26 Correct 63 ms 51440 KB Output is correct
27 Correct 66 ms 51360 KB Output is correct
28 Correct 16 ms 2332 KB Output is correct
29 Correct 9 ms 3056 KB Output is correct
30 Correct 0 ms 2516 KB Output is correct
31 Correct 6 ms 2644 KB Output is correct
32 Correct 3 ms 2512 KB Output is correct
33 Correct 16 ms 3704 KB Output is correct
34 Correct 13 ms 3792 KB Output is correct
35 Correct 179 ms 3952 KB Output is correct
36 Correct 26 ms 2332 KB Output is correct
37 Correct 186 ms 5708 KB Output is correct
38 Correct 296 ms 5188 KB Output is correct
39 Correct 309 ms 5460 KB Output is correct
40 Correct 296 ms 5316 KB Output is correct
41 Correct 333 ms 5248 KB Output is correct
42 Memory limit exceeded 236 ms 262144 KB Memory limit exceeded
43 Halted 0 ms 0 KB -