oj.uz

Submission #49537

# Submission time Handle Problem Language Result Execution time Memory
49537 2018-05-31T01:09:46 Z updown1 Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
 916 ms 6632 KB 
/*
dijstra's on the location
*/
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define int ll
#define For(i, a, b) for(int i=a; i<b; i++)
#define ffi For(i, 0, N)
#define ffj For(j, 0, M)
#define ffa ffi ffj
#define w cout
#define e "\n"
#define s <<" "<<
#define pb push_back
#define mp make_pair
#define a first
#define b second
/// 500,000,000
const int MAXN = 30000, INF = 1000000000000000000;
/// Global Variables
int N, M, dist[MAXN], B[MAXN], P[MAXN];
bool vis[MAXN];
vector<int> dogs[MAXN];
priority_queue<pair<int, int> > next1; /// (-dist, loc)
 
void go(int loc) {
    vis[loc] = true;
    For (i, 0, dogs[loc].size()) {
        int x = dogs[loc][i];
        for (int j=loc+P[x], add = 1; j<N; j+= P[x], add++) if (dist[loc]+add < dist[j]) {
            dist[j] = min(dist[j], dist[loc]+add);
            next1.push(mp(-dist[j], j));
        }
        for (int j=loc-P[x], add = 1; j>= 0; j-= P[x], add++) if (dist[loc]+add < dist[j]) {
            dist[j] = min(dist[j], dist[loc]+add);
            next1.push(mp(-dist[j], j));
        }
    }
}
 
main() {
    //ifstream cin("test.in");
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin >> N >> M;
    ffi dist[i] = INF;
    ffj {
        cin >> B[j] >> P[j];
        dogs[B[j]].pb(j);
    }
    next1.push(mp(0, B[0]));
    dist[B[0]] = 0;
    while (!next1.empty()) {
        int i = next1.top().b; next1.pop();
        if (!vis[i]) go(i);
    }
    if (dist[B[1]] == INF) w<< -1<<e;
    else w<< dist[B[1]]<<e;
}

Compilation message

skyscraper.cpp: In function 'void go(ll)':
skyscraper.cpp:8:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define For(i, a, b) for(int i=a; i<b; i++)
skyscraper.cpp:29:10:
     For (i, 0, dogs[loc].size()) {
          ~~~~~~~~~~~~~~~~~~~~~~     
skyscraper.cpp:29:5: note: in expansion of macro 'For'
     For (i, 0, dogs[loc].size()) {
     ^~~
skyscraper.cpp: At global scope:
skyscraper.cpp:42:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1016 KB Output is correct
2 Correct 3 ms 1124 KB Output is correct
3 Correct 2 ms 1124 KB Output is correct
4 Correct 4 ms 1124 KB Output is correct
5 Correct 2 ms 1216 KB Output is correct
6 Correct 2 ms 1216 KB Output is correct
7 Correct 2 ms 1216 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1312 KB Output is correct
2 Correct 2 ms 1312 KB Output is correct
3 Correct 3 ms 1312 KB Output is correct
4 Correct 3 ms 1312 KB Output is correct
5 Correct 3 ms 1312 KB Output is correct
6 Correct 3 ms 1312 KB Output is correct
7 Correct 3 ms 1312 KB Output is correct
8 Correct 3 ms 1312 KB Output is correct
9 Correct 3 ms 1312 KB Output is correct
10 Correct 3 ms 1312 KB Output is correct
11 Correct 5 ms 1388 KB Output is correct
12 Correct 3 ms 1388 KB Output is correct
13 Correct 3 ms 1388 KB Output is correct
14 Correct 3 ms 1388 KB Output is correct
15 Correct 3 ms 1476 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1476 KB Output is correct
2 Correct 3 ms 1476 KB Output is correct
3 Correct 3 ms 1476 KB Output is correct
4 Correct 2 ms 1476 KB Output is correct
5 Correct 3 ms 1476 KB Output is correct
6 Correct 3 ms 1476 KB Output is correct
7 Correct 2 ms 1476 KB Output is correct
8 Correct 3 ms 1476 KB Output is correct
9 Correct 2 ms 1476 KB Output is correct
10 Correct 3 ms 1476 KB Output is correct
11 Correct 3 ms 1476 KB Output is correct
12 Correct 3 ms 1476 KB Output is correct
13 Correct 4 ms 1476 KB Output is correct
14 Correct 3 ms 1476 KB Output is correct
15 Correct 4 ms 1476 KB Output is correct
16 Correct 3 ms 1476 KB Output is correct
17 Correct 3 ms 1476 KB Output is correct
18 Correct 3 ms 1476 KB Output is correct
19 Correct 3 ms 1476 KB Output is correct
20 Correct 9 ms 1532 KB Output is correct
21 Correct 4 ms 1532 KB Output is correct
22 Correct 3 ms 1532 KB Output is correct
23 Correct 4 ms 1532 KB Output is correct
24 Correct 4 ms 1532 KB Output is correct
25 Correct 4 ms 1532 KB Output is correct
26 Correct 8 ms 1532 KB Output is correct
27 Correct 6 ms 1532 KB Output is correct
28 Correct 4 ms 1532 KB Output is correct
29 Correct 4 ms 1532 KB Output is correct
30 Correct 3 ms 1532 KB Output is correct
31 Correct 4 ms 1532 KB Output is correct
32 Correct 4 ms 1532 KB Output is correct
33 Correct 5 ms 1660 KB Output is correct
34 Correct 6 ms 1788 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1788 KB Output is correct
2 Correct 3 ms 1788 KB Output is correct
3 Correct 3 ms 1788 KB Output is correct
4 Correct 3 ms 1788 KB Output is correct
5 Correct 3 ms 1788 KB Output is correct
6 Correct 2 ms 1788 KB Output is correct
7 Correct 2 ms 1788 KB Output is correct
8 Correct 3 ms 1788 KB Output is correct
9 Correct 2 ms 1788 KB Output is correct
10 Correct 3 ms 1788 KB Output is correct
11 Correct 3 ms 1788 KB Output is correct
12 Correct 4 ms 1788 KB Output is correct
13 Correct 4 ms 1788 KB Output is correct
14 Correct 3 ms 1788 KB Output is correct
15 Correct 4 ms 1788 KB Output is correct
16 Correct 4 ms 1788 KB Output is correct
17 Correct 4 ms 1788 KB Output is correct
18 Correct 4 ms 1788 KB Output is correct
19 Correct 3 ms 1788 KB Output is correct
20 Correct 8 ms 1788 KB Output is correct
21 Correct 4 ms 1788 KB Output is correct
22 Correct 3 ms 1788 KB Output is correct
23 Correct 4 ms 1788 KB Output is correct
24 Correct 5 ms 1788 KB Output is correct
25 Correct 5 ms 1788 KB Output is correct
26 Correct 7 ms 1788 KB Output is correct
27 Correct 7 ms 1788 KB Output is correct
28 Correct 4 ms 1788 KB Output is correct
29 Correct 5 ms 1788 KB Output is correct
30 Correct 4 ms 1788 KB Output is correct
31 Correct 4 ms 1788 KB Output is correct
32 Correct 4 ms 1788 KB Output is correct
33 Correct 6 ms 1788 KB Output is correct
34 Correct 6 ms 1788 KB Output is correct
35 Correct 11 ms 2240 KB Output is correct
36 Correct 5 ms 2240 KB Output is correct
37 Correct 12 ms 2240 KB Output is correct
38 Correct 16 ms 2384 KB Output is correct
39 Correct 13 ms 2428 KB Output is correct
40 Correct 14 ms 2428 KB Output is correct
41 Correct 13 ms 2428 KB Output is correct
42 Correct 63 ms 2428 KB Output is correct
43 Correct 69 ms 2428 KB Output is correct
44 Correct 64 ms 2428 KB Output is correct
45 Correct 14 ms 2428 KB Output is correct
46 Correct 10 ms 2428 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2428 KB Output is correct
2 Correct 3 ms 2428 KB Output is correct
3 Correct 2 ms 2428 KB Output is correct
4 Correct 3 ms 2428 KB Output is correct
5 Correct 3 ms 2428 KB Output is correct
6 Correct 3 ms 2428 KB Output is correct
7 Correct 3 ms 2428 KB Output is correct
8 Correct 17 ms 2428 KB Output is correct
9 Correct 2 ms 2428 KB Output is correct
10 Correct 4 ms 2428 KB Output is correct
11 Correct 3 ms 2428 KB Output is correct
12 Correct 3 ms 2428 KB Output is correct
13 Correct 4 ms 2428 KB Output is correct
14 Correct 3 ms 2428 KB Output is correct
15 Correct 3 ms 2428 KB Output is correct
16 Correct 3 ms 2428 KB Output is correct
17 Correct 4 ms 2428 KB Output is correct
18 Correct 3 ms 2428 KB Output is correct
19 Correct 4 ms 2428 KB Output is correct
20 Correct 8 ms 2428 KB Output is correct
21 Correct 3 ms 2428 KB Output is correct
22 Correct 3 ms 2428 KB Output is correct
23 Correct 4 ms 2428 KB Output is correct
24 Correct 4 ms 2428 KB Output is correct
25 Correct 5 ms 2428 KB Output is correct
26 Correct 7 ms 2428 KB Output is correct
27 Correct 7 ms 2428 KB Output is correct
28 Correct 4 ms 2428 KB Output is correct
29 Correct 4 ms 2428 KB Output is correct
30 Correct 4 ms 2428 KB Output is correct
31 Correct 5 ms 2428 KB Output is correct
32 Correct 4 ms 2428 KB Output is correct
33 Correct 4 ms 2428 KB Output is correct
34 Correct 5 ms 2428 KB Output is correct
35 Correct 10 ms 2428 KB Output is correct
36 Correct 5 ms 2428 KB Output is correct
37 Correct 12 ms 2428 KB Output is correct
38 Correct 13 ms 2428 KB Output is correct
39 Correct 12 ms 2428 KB Output is correct
40 Correct 14 ms 2428 KB Output is correct
41 Correct 14 ms 2428 KB Output is correct
42 Correct 68 ms 2428 KB Output is correct
43 Correct 68 ms 2428 KB Output is correct
44 Correct 102 ms 2428 KB Output is correct
45 Correct 11 ms 2428 KB Output is correct
46 Correct 11 ms 2428 KB Output is correct
47 Correct 24 ms 3416 KB Output is correct
48 Correct 9 ms 3416 KB Output is correct
49 Correct 10 ms 3416 KB Output is correct
50 Correct 8 ms 3416 KB Output is correct
51 Correct 37 ms 4876 KB Output is correct
52 Correct 41 ms 4876 KB Output is correct
53 Correct 22 ms 4876 KB Output is correct
54 Correct 5 ms 4876 KB Output is correct
55 Correct 5 ms 4876 KB Output is correct
56 Correct 899 ms 4876 KB Output is correct
57 Correct 82 ms 5868 KB Output is correct
58 Correct 916 ms 5868 KB Output is correct
59 Correct 904 ms 5868 KB Output is correct
60 Correct 848 ms 5868 KB Output is correct
61 Correct 851 ms 5868 KB Output is correct
62 Correct 19 ms 5868 KB Output is correct
63 Correct 47 ms 5868 KB Output is correct
64 Correct 39 ms 5868 KB Output is correct
65 Correct 64 ms 5868 KB Output is correct
66 Correct 56 ms 6544 KB Output is correct
67 Correct 56 ms 6632 KB Output is correct