Submission #680167

# Submission time Handle Problem Language Result Execution time Memory
680167 2023-01-10T04:23:49 Z Do_you_copy Jakarta Skyscrapers (APIO15_skyscraper) C++17
100 / 100
642 ms 7652 KB
//Then
#include <bits/stdc++.h>
#define pb push_back
#define fi first
#define se second
#define faster ios_base::sync_with_stdio(0); cin.tie(0);

using namespace std;
using ll = long long;
using ld = long double;
using pii = pair <int, int>;
mt19937_64 Rand(chrono::steady_clock::now().time_since_epoch().count());
const int maxN = 1e5 + 1;
//const int Mod = 1e9 + 7;
//const int inf =
int n, m;
int d[maxN];
vector <int> S[maxN];
int s, t;
void Init(){
    cin >> n >> m;
    for (int i = 1; i <= m; ++i){
        int x, y;
        cin >> x >> y;
        S[x].pb(y);
        if (i == 1) s = x;
        if (i == 2) t = x;
    }
    for (int i = 0; i < n; ++i){
        sort(S[i].begin(), S[i].end());
        S[i].resize(unique(S[i].begin(), S[i].end()) - S[i].begin());
    }
    priority_queue <pii, vector <pii>, greater <pii>> PQ;
    memset(d, 0x3f, sizeof(d));
    PQ.push({0, s});
    d[s] = 0;
    while (!PQ.empty()){
        auto u = PQ.top(); PQ.pop();
        if (u.fi != d[u.se]) continue;
        for (int j: S[u.se]){
            for (int i = 1; u.se + i * j < n; ++i){
                if (d[u.se + i * j] <= d[u.se] + i) continue;
                d[u.se + i * j] = d[u.se] + i;
                PQ.push({d[u.se] + i, u.se + i * j});
            }
            for (int i = 1; u.se - i * j >= 0; ++i){
                if (d[u.se - i * j] <= d[u.se] + i) continue;
                d[u.se - i * j] = d[u.se] + i;
                PQ.push({d[u.se] + i, u.se - i * j});
            }
        }
    }
    cout << (d[t] == 0x3f3f3f3f ? -1 : d[t]);
}

#define debug
#define taskname "test"
signed main(){
    faster
    if (fopen(taskname".inp", "r")){
        freopen(taskname".inp", "r", stdin);
        freopen(taskname".out", "w", stdout);
    }
    int tt = 1;
    //cin >> tt;
    while (tt--){
        Init();
    }
    if (fopen("timeout.txt", "r")){
        ofstream timeout("timeout.txt");
        timeout << signed(double(clock()) / CLOCKS_PER_SEC * 1000);
        timeout.close();
        #ifndef debug
        cerr << "Time elapsed: " << signed(double(clock()) / CLOCKS_PER_SEC * 1000) << "ms\n";
        #endif // debug
    }
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:61:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   61 |         freopen(taskname".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
skyscraper.cpp:62:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   62 |         freopen(taskname".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 2 ms 3028 KB Output is correct
2 Correct 2 ms 3028 KB Output is correct
3 Correct 2 ms 3028 KB Output is correct
4 Correct 3 ms 3028 KB Output is correct
5 Correct 2 ms 3028 KB Output is correct
6 Correct 2 ms 3028 KB Output is correct
7 Correct 2 ms 3028 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 3028 KB Output is correct
2 Correct 2 ms 3028 KB Output is correct
3 Correct 2 ms 3028 KB Output is correct
4 Correct 2 ms 3060 KB Output is correct
5 Correct 2 ms 3028 KB Output is correct
6 Correct 2 ms 3000 KB Output is correct
7 Correct 2 ms 3028 KB Output is correct
8 Correct 2 ms 3028 KB Output is correct
9 Correct 2 ms 3064 KB Output is correct
10 Correct 2 ms 3032 KB Output is correct
11 Correct 2 ms 3028 KB Output is correct
12 Correct 2 ms 3028 KB Output is correct
13 Correct 3 ms 3072 KB Output is correct
14 Correct 2 ms 3028 KB Output is correct
15 Correct 3 ms 3028 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 3064 KB Output is correct
2 Correct 2 ms 3060 KB Output is correct
3 Correct 2 ms 3064 KB Output is correct
4 Correct 2 ms 3028 KB Output is correct
5 Correct 2 ms 3064 KB Output is correct
6 Correct 2 ms 3028 KB Output is correct
7 Correct 2 ms 3068 KB Output is correct
8 Correct 2 ms 3028 KB Output is correct
9 Correct 2 ms 3028 KB Output is correct
10 Correct 2 ms 3028 KB Output is correct
11 Correct 2 ms 3028 KB Output is correct
12 Correct 2 ms 3028 KB Output is correct
13 Correct 2 ms 3028 KB Output is correct
14 Correct 2 ms 3028 KB Output is correct
15 Correct 3 ms 3028 KB Output is correct
16 Correct 2 ms 3028 KB Output is correct
17 Correct 3 ms 3028 KB Output is correct
18 Correct 2 ms 3028 KB Output is correct
19 Correct 2 ms 3028 KB Output is correct
20 Correct 5 ms 3076 KB Output is correct
21 Correct 2 ms 3028 KB Output is correct
22 Correct 2 ms 3028 KB Output is correct
23 Correct 2 ms 3068 KB Output is correct
24 Correct 3 ms 3156 KB Output is correct
25 Correct 3 ms 3156 KB Output is correct
26 Correct 2 ms 3028 KB Output is correct
27 Correct 2 ms 3028 KB Output is correct
28 Correct 2 ms 3028 KB Output is correct
29 Correct 4 ms 3196 KB Output is correct
30 Correct 2 ms 3064 KB Output is correct
31 Correct 3 ms 3156 KB Output is correct
32 Correct 3 ms 3156 KB Output is correct
33 Correct 5 ms 3540 KB Output is correct
34 Correct 5 ms 3412 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 3028 KB Output is correct
2 Correct 2 ms 3064 KB Output is correct
3 Correct 2 ms 3028 KB Output is correct
4 Correct 2 ms 3068 KB Output is correct
5 Correct 2 ms 3028 KB Output is correct
6 Correct 2 ms 3068 KB Output is correct
7 Correct 2 ms 3060 KB Output is correct
8 Correct 2 ms 3064 KB Output is correct
9 Correct 2 ms 3028 KB Output is correct
10 Correct 2 ms 3028 KB Output is correct
11 Correct 2 ms 3028 KB Output is correct
12 Correct 2 ms 3028 KB Output is correct
13 Correct 2 ms 3072 KB Output is correct
14 Correct 2 ms 3028 KB Output is correct
15 Correct 2 ms 3028 KB Output is correct
16 Correct 2 ms 3028 KB Output is correct
17 Correct 3 ms 3028 KB Output is correct
18 Correct 2 ms 3028 KB Output is correct
19 Correct 2 ms 3028 KB Output is correct
20 Correct 6 ms 3156 KB Output is correct
21 Correct 2 ms 3028 KB Output is correct
22 Correct 2 ms 3064 KB Output is correct
23 Correct 2 ms 3028 KB Output is correct
24 Correct 3 ms 3028 KB Output is correct
25 Correct 3 ms 3156 KB Output is correct
26 Correct 2 ms 3028 KB Output is correct
27 Correct 2 ms 3028 KB Output is correct
28 Correct 2 ms 3072 KB Output is correct
29 Correct 3 ms 3284 KB Output is correct
30 Correct 2 ms 3064 KB Output is correct
31 Correct 3 ms 3196 KB Output is correct
32 Correct 3 ms 3156 KB Output is correct
33 Correct 5 ms 3412 KB Output is correct
34 Correct 5 ms 3412 KB Output is correct
35 Correct 8 ms 3516 KB Output is correct
36 Correct 3 ms 3200 KB Output is correct
37 Correct 6 ms 3448 KB Output is correct
38 Correct 8 ms 3652 KB Output is correct
39 Correct 8 ms 3576 KB Output is correct
40 Correct 8 ms 3680 KB Output is correct
41 Correct 8 ms 3588 KB Output is correct
42 Correct 6 ms 3444 KB Output is correct
43 Correct 5 ms 3412 KB Output is correct
44 Correct 9 ms 3460 KB Output is correct
45 Correct 9 ms 3772 KB Output is correct
46 Correct 9 ms 3828 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 3028 KB Output is correct
2 Correct 2 ms 3156 KB Output is correct
3 Correct 2 ms 3032 KB Output is correct
4 Correct 2 ms 3028 KB Output is correct
5 Correct 2 ms 3028 KB Output is correct
6 Correct 2 ms 3060 KB Output is correct
7 Correct 2 ms 3028 KB Output is correct
8 Correct 2 ms 3028 KB Output is correct
9 Correct 2 ms 3028 KB Output is correct
10 Correct 2 ms 3060 KB Output is correct
11 Correct 3 ms 3028 KB Output is correct
12 Correct 2 ms 3028 KB Output is correct
13 Correct 3 ms 3028 KB Output is correct
14 Correct 3 ms 3068 KB Output is correct
15 Correct 3 ms 3028 KB Output is correct
16 Correct 2 ms 3028 KB Output is correct
17 Correct 3 ms 3028 KB Output is correct
18 Correct 2 ms 3028 KB Output is correct
19 Correct 2 ms 3068 KB Output is correct
20 Correct 8 ms 3284 KB Output is correct
21 Correct 2 ms 3076 KB Output is correct
22 Correct 2 ms 3028 KB Output is correct
23 Correct 2 ms 3072 KB Output is correct
24 Correct 3 ms 3156 KB Output is correct
25 Correct 3 ms 3076 KB Output is correct
26 Correct 2 ms 3032 KB Output is correct
27 Correct 2 ms 3084 KB Output is correct
28 Correct 2 ms 3112 KB Output is correct
29 Correct 3 ms 3208 KB Output is correct
30 Correct 3 ms 3156 KB Output is correct
31 Correct 3 ms 3156 KB Output is correct
32 Correct 3 ms 3156 KB Output is correct
33 Correct 5 ms 3412 KB Output is correct
34 Correct 5 ms 3460 KB Output is correct
35 Correct 7 ms 3456 KB Output is correct
36 Correct 3 ms 3156 KB Output is correct
37 Correct 6 ms 3412 KB Output is correct
38 Correct 9 ms 3620 KB Output is correct
39 Correct 8 ms 3668 KB Output is correct
40 Correct 8 ms 3576 KB Output is correct
41 Correct 8 ms 3588 KB Output is correct
42 Correct 6 ms 3456 KB Output is correct
43 Correct 6 ms 3448 KB Output is correct
44 Correct 9 ms 3412 KB Output is correct
45 Correct 10 ms 3796 KB Output is correct
46 Correct 11 ms 3796 KB Output is correct
47 Correct 19 ms 4304 KB Output is correct
48 Correct 7 ms 3684 KB Output is correct
49 Correct 7 ms 3668 KB Output is correct
50 Correct 7 ms 3588 KB Output is correct
51 Correct 24 ms 5068 KB Output is correct
52 Correct 22 ms 4560 KB Output is correct
53 Correct 14 ms 4628 KB Output is correct
54 Correct 3 ms 3284 KB Output is correct
55 Correct 4 ms 3284 KB Output is correct
56 Correct 642 ms 4564 KB Output is correct
57 Correct 38 ms 5320 KB Output is correct
58 Correct 8 ms 3540 KB Output is correct
59 Correct 8 ms 3668 KB Output is correct
60 Correct 8 ms 3540 KB Output is correct
61 Correct 9 ms 3584 KB Output is correct
62 Correct 10 ms 4308 KB Output is correct
63 Correct 28 ms 5712 KB Output is correct
64 Correct 30 ms 5620 KB Output is correct
65 Correct 38 ms 5700 KB Output is correct
66 Correct 78 ms 7644 KB Output is correct
67 Correct 76 ms 7652 KB Output is correct