oj.uz

Submission #1110723

# Submission time Handle Problem Language Result Execution time Memory
1110723 2024-11-10T09:20:34 Z hungnt Jakarta Skyscrapers (APIO15_skyscraper) C++14
100 / 100
 611 ms 5324 KB 
#pragma GCC optimize("O3")
#pragma GCC optimize("O1")
#pragma GCC optimize("O1")
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize(3)
#pragma GCC optimize("Ofast")
#pragma GCC optimize("inline")
#pragma GCC optimize("-fgcse")
#pragma GCC optimize("-fgcse-lm")
#pragma GCC optimize("-fipa-sra")
#pragma GCC optimize("-ftree-pre")
#pragma GCC optimize("-ftree-vrp")
#pragma GCC optimize("-fpeephole2")
#pragma GCC optimize("-ffast-math")
#pragma GCC optimize("-fsched-spec")
#pragma GCC optimize("-falign-jumps")
#pragma GCC optimize("-falign-loops")
#pragma GCC optimize("-falign-labels")
#pragma GCC optimize("-fdevirtualize")
#pragma GCC optimize("-fcaller-saves")
#pragma GCC optimize("-fcrossjumping")
#pragma GCC optimize("-fthread-jumps")
#pragma GCC optimize("-freorder-blocks")
#pragma GCC optimize("-fschedule-insns")
#pragma GCC optimize("inline-functions")
#pragma GCC optimize("-ftree-tail-merge")
#pragma GCC optimize("-fschedule-insns2")
#pragma GCC optimize("-fstrict-aliasing")
#pragma GCC optimize("-falign-functions")
#pragma GCC optimize("-fcse-follow-jumps")
#pragma GCC optimize("-fsched-interblock")
#pragma GCC optimize("-fpartial-inlining")
#pragma GCC optimize("no-stack-protector")
#pragma GCC optimize("-freorder-functions")
#pragma GCC optimize("-findirect-inlining")
#pragma GCC optimize("-fhoist-adjacent-loads")
#pragma GCC optimize("-frerun-cse-after-loop")
#pragma GCC optimize("inline-small-functions")
#pragma GCC optimize("-finline-small-functions")
#pragma GCC optimize("-ftree-switch-conversion")
#pragma GCC optimize("-foptimize-sibling-calls")
#pragma GCC optimize("-fexpensive-optimizations")
#pragma GCC optimize("inline-functions-called-once")
#pragma GCC optimize("-fdelete-null-pointer-checks")
#include <bits/stdc++.h>
#define BIT(x, k) (((x) >> (k)) & 1)
#define on(x, k) ((x) ^ (1ll << (k)))
#define pii pair<int, int>
#define fi first
#define se second
#define all(x) x.begin(), x.end()
#define ll long long
using namespace std;

const int N = 50002;

int n, m;
int a[N];
vector<int> adj[N];
ll dp[N];

signed main()
{
//    ios_base::sync_with_stdio(0);
//    cin.tie(0);cout.tie(0);
    #define TASK "TASK"
    if (fopen(TASK".INP", "r"))
    {
        freopen(TASK".INP", "r", stdin);
        freopen(TASK".OUT", "w", stdout);
    }
    cin >> n >> m;
    for(int i = 0, x; i < m; i++)
    {
        cin >> a[i] >> x;
        adj[a[i]].push_back(x);
    }
	priority_queue<pii, vector<pii>, greater<pii>> pq;
    memset(dp, 0x3f, sizeof dp);
    dp[a[0]] = 0;
    pq.push({0, a[0]});
    while(!pq.empty())
    {
        pii tmp = pq.top();pq.pop();
        int u = tmp.se;
        if(dp[u] != tmp.fi) continue;
        for(auto &step : adj[u])
        {
            int w = tmp.fi;
            for(int v = u + step; v < n; v += step)
            {
                if (dp[v] > ++w)
                {
                    dp[v] = w;
                    pq.push({dp[v], v});
                }
            }
            w = tmp.fi;
            for(int v = u - step; v >= 0; v -= step)
            {
                if (dp[v] > ++w)
                {
                    dp[v] = w;
                    pq.push({dp[v], v});
                }
            }
        }
    }
    if(dp[a[1]] < dp[n]) cout << dp[a[1]];
    else cout << -1;
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:69:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   69 |         freopen(TASK".INP", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
skyscraper.cpp:70:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   70 |         freopen(TASK".OUT", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1872 KB Output is correct
2 Correct 2 ms 1872 KB Output is correct
3 Correct 2 ms 1872 KB Output is correct
4 Correct 2 ms 1872 KB Output is correct
5 Correct 2 ms 1872 KB Output is correct
6 Correct 2 ms 1872 KB Output is correct
7 Correct 2 ms 1872 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1872 KB Output is correct
2 Correct 2 ms 1872 KB Output is correct
3 Correct 2 ms 1872 KB Output is correct
4 Correct 2 ms 1872 KB Output is correct
5 Correct 2 ms 1872 KB Output is correct
6 Correct 2 ms 1852 KB Output is correct
7 Correct 2 ms 1872 KB Output is correct
8 Correct 2 ms 1872 KB Output is correct
9 Correct 2 ms 1872 KB Output is correct
10 Correct 2 ms 1872 KB Output is correct
11 Correct 2 ms 1932 KB Output is correct
12 Correct 2 ms 1872 KB Output is correct
13 Correct 2 ms 2036 KB Output is correct
14 Correct 2 ms 1872 KB Output is correct
15 Correct 2 ms 1872 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1872 KB Output is correct
2 Correct 2 ms 1872 KB Output is correct
3 Correct 2 ms 1872 KB Output is correct
4 Correct 2 ms 1872 KB Output is correct
5 Correct 2 ms 1872 KB Output is correct
6 Correct 3 ms 1872 KB Output is correct
7 Correct 2 ms 1872 KB Output is correct
8 Correct 2 ms 1872 KB Output is correct
9 Correct 2 ms 1872 KB Output is correct
10 Correct 2 ms 1872 KB Output is correct
11 Correct 3 ms 1872 KB Output is correct
12 Correct 2 ms 1872 KB Output is correct
13 Correct 2 ms 1872 KB Output is correct
14 Correct 2 ms 1872 KB Output is correct
15 Correct 2 ms 1968 KB Output is correct
16 Correct 2 ms 2044 KB Output is correct
17 Correct 4 ms 1872 KB Output is correct
18 Correct 2 ms 1872 KB Output is correct
19 Correct 2 ms 1872 KB Output is correct
20 Correct 5 ms 1872 KB Output is correct
21 Correct 2 ms 1872 KB Output is correct
22 Correct 2 ms 1872 KB Output is correct
23 Correct 3 ms 1872 KB Output is correct
24 Correct 3 ms 1872 KB Output is correct
25 Correct 3 ms 1872 KB Output is correct
26 Correct 4 ms 2044 KB Output is correct
27 Correct 4 ms 1872 KB Output is correct
28 Correct 3 ms 1872 KB Output is correct
29 Correct 3 ms 2128 KB Output is correct
30 Correct 2 ms 1872 KB Output is correct
31 Correct 2 ms 2128 KB Output is correct
32 Correct 3 ms 2128 KB Output is correct
33 Correct 4 ms 2128 KB Output is correct
34 Correct 6 ms 2128 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1872 KB Output is correct
2 Correct 2 ms 1872 KB Output is correct
3 Correct 2 ms 1872 KB Output is correct
4 Correct 2 ms 1872 KB Output is correct
5 Correct 2 ms 1872 KB Output is correct
6 Correct 3 ms 1872 KB Output is correct
7 Correct 2 ms 2012 KB Output is correct
8 Correct 3 ms 1872 KB Output is correct
9 Correct 3 ms 1872 KB Output is correct
10 Correct 2 ms 1872 KB Output is correct
11 Correct 2 ms 1872 KB Output is correct
12 Correct 3 ms 1872 KB Output is correct
13 Correct 2 ms 2044 KB Output is correct
14 Correct 3 ms 1872 KB Output is correct
15 Correct 3 ms 1872 KB Output is correct
16 Correct 2 ms 1872 KB Output is correct
17 Correct 3 ms 1872 KB Output is correct
18 Correct 2 ms 1872 KB Output is correct
19 Correct 2 ms 1872 KB Output is correct
20 Correct 7 ms 1872 KB Output is correct
21 Correct 3 ms 1872 KB Output is correct
22 Correct 2 ms 1872 KB Output is correct
23 Correct 3 ms 1872 KB Output is correct
24 Correct 4 ms 2052 KB Output is correct
25 Correct 3 ms 1872 KB Output is correct
26 Correct 5 ms 2040 KB Output is correct
27 Correct 5 ms 1872 KB Output is correct
28 Correct 3 ms 1872 KB Output is correct
29 Correct 3 ms 2128 KB Output is correct
30 Correct 2 ms 1872 KB Output is correct
31 Correct 3 ms 2128 KB Output is correct
32 Correct 3 ms 1872 KB Output is correct
33 Correct 4 ms 2128 KB Output is correct
34 Correct 4 ms 2128 KB Output is correct
35 Correct 11 ms 2128 KB Output is correct
36 Correct 4 ms 1872 KB Output is correct
37 Correct 9 ms 2128 KB Output is correct
38 Correct 12 ms 2428 KB Output is correct
39 Correct 12 ms 2384 KB Output is correct
40 Correct 12 ms 2384 KB Output is correct
41 Correct 12 ms 2384 KB Output is correct
42 Correct 38 ms 2264 KB Output is correct
43 Correct 40 ms 2128 KB Output is correct
44 Correct 46 ms 2300 KB Output is correct
45 Correct 12 ms 2384 KB Output is correct
46 Correct 11 ms 2384 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1872 KB Output is correct
2 Correct 2 ms 1872 KB Output is correct
3 Correct 2 ms 1872 KB Output is correct
4 Correct 2 ms 1872 KB Output is correct
5 Correct 3 ms 1872 KB Output is correct
6 Correct 2 ms 1872 KB Output is correct
7 Correct 2 ms 1872 KB Output is correct
8 Correct 2 ms 2048 KB Output is correct
9 Correct 2 ms 1872 KB Output is correct
10 Correct 2 ms 1872 KB Output is correct
11 Correct 3 ms 1872 KB Output is correct
12 Correct 2 ms 1872 KB Output is correct
13 Correct 3 ms 1872 KB Output is correct
14 Correct 2 ms 1872 KB Output is correct
15 Correct 3 ms 1900 KB Output is correct
16 Correct 3 ms 1884 KB Output is correct
17 Correct 3 ms 1872 KB Output is correct
18 Correct 3 ms 1872 KB Output is correct
19 Correct 2 ms 1872 KB Output is correct
20 Correct 5 ms 1872 KB Output is correct
21 Correct 2 ms 1872 KB Output is correct
22 Correct 2 ms 1872 KB Output is correct
23 Correct 2 ms 2056 KB Output is correct
24 Correct 3 ms 1872 KB Output is correct
25 Correct 3 ms 1872 KB Output is correct
26 Correct 4 ms 2044 KB Output is correct
27 Correct 7 ms 1872 KB Output is correct
28 Correct 3 ms 1872 KB Output is correct
29 Correct 4 ms 2128 KB Output is correct
30 Correct 3 ms 1872 KB Output is correct
31 Correct 3 ms 2128 KB Output is correct
32 Correct 3 ms 2044 KB Output is correct
33 Correct 4 ms 2128 KB Output is correct
34 Correct 4 ms 2128 KB Output is correct
35 Correct 10 ms 2128 KB Output is correct
36 Correct 4 ms 2040 KB Output is correct
37 Correct 8 ms 2384 KB Output is correct
38 Correct 11 ms 2348 KB Output is correct
39 Correct 13 ms 2396 KB Output is correct
40 Correct 12 ms 2384 KB Output is correct
41 Correct 12 ms 2384 KB Output is correct
42 Correct 39 ms 2220 KB Output is correct
43 Correct 40 ms 2128 KB Output is correct
44 Correct 39 ms 2260 KB Output is correct
45 Correct 11 ms 2384 KB Output is correct
46 Correct 11 ms 2384 KB Output is correct
47 Correct 29 ms 3024 KB Output is correct
48 Correct 10 ms 2384 KB Output is correct
49 Correct 9 ms 2392 KB Output is correct
50 Correct 8 ms 2396 KB Output is correct
51 Correct 26 ms 3772 KB Output is correct
52 Correct 27 ms 3280 KB Output is correct
53 Correct 22 ms 3292 KB Output is correct
54 Correct 3 ms 2128 KB Output is correct
55 Correct 4 ms 2128 KB Output is correct
56 Correct 598 ms 3408 KB Output is correct
57 Correct 37 ms 5064 KB Output is correct
58 Correct 611 ms 2384 KB Output is correct
59 Correct 461 ms 2384 KB Output is correct
60 Correct 573 ms 2384 KB Output is correct
61 Correct 445 ms 2496 KB Output is correct
62 Correct 15 ms 2896 KB Output is correct
63 Correct 30 ms 3508 KB Output is correct
64 Correct 30 ms 5324 KB Output is correct
65 Correct 36 ms 5324 KB Output is correct
66 Correct 46 ms 5324 KB Output is correct
67 Correct 50 ms 5320 KB Output is correct