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Submission #1041290

# Submission time Handle Problem Language Result Execution time Memory
1041290 2024-08-01T20:16:41 Z Math4Life2020 Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 1000 ms 2988 KB 
// Source: https://usaco.guide/general/io

#include <bits/stdc++.h>
using namespace std;
using ll = long long; using pii = pair<ll,ll>;

int main() {
	ll N,M; cin >> N >> M;
    ll K = floor(sqrt(N+0.001));
    ll B[M],P[M];
    bool found[N];
    //ll val[M];
    ll val[N];
    vector<pii> doges[N];
    for (ll i=0;i<M;i++) {
        //val[i]=1e18;
        cin >> B[i] >> P[i];
        doges[B[i]].push_back({i,P[i]});
    }
    for (ll i=0;i<N;i++) {
        val[i]=1e18;
        found[i]=0;
    }
    val[B[0]]=0;
    while(1) {
        ll mv = 1e17; ll ctr = -1;
        for (ll i=0;i<N;i++) {
            if (val[i]<mv && !found[i]) {
                mv = val[i]; ctr = i;
            }
        }
        if (ctr==-1) {
            cout << "-1"; exit(0);
        } else if (ctr==B[1]) {
            cout << val[B[1]]; exit(0);
        } else {
            for (pii x0: doges[ctr]) {
                ll i = x0.first;
                for (ll t=(-(B[i]/P[i]+2));t<(((N-B[i])/P[i])+2);t++) {
                    if ((B[i]+t*P[i])>=0 && (B[i]+t*P[i])<N) {
                        val[(B[i]+t*P[i])]=min(val[(B[i]+t*P[i])],mv+(ll)abs(t));
                    }
                }
            }
        }
        found[ctr]=1;
    }
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:9:8: warning: unused variable 'K' [-Wunused-variable]
    9 |     ll K = floor(sqrt(N+0.001));
      |        ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 436 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 6 ms 412 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 2 ms 348 KB Output is correct
24 Correct 3 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 2 ms 604 KB Output is correct
27 Correct 3 ms 604 KB Output is correct
28 Correct 3 ms 616 KB Output is correct
29 Correct 3 ms 604 KB Output is correct
30 Correct 2 ms 500 KB Output is correct
31 Correct 3 ms 524 KB Output is correct
32 Correct 3 ms 348 KB Output is correct
33 Correct 3 ms 348 KB Output is correct
34 Correct 3 ms 592 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 436 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 432 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 436 KB Output is correct
11 Correct 0 ms 528 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 7 ms 604 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 2 ms 348 KB Output is correct
24 Correct 3 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 2 ms 608 KB Output is correct
27 Correct 3 ms 604 KB Output is correct
28 Correct 4 ms 600 KB Output is correct
29 Correct 3 ms 348 KB Output is correct
30 Correct 2 ms 348 KB Output is correct
31 Correct 3 ms 348 KB Output is correct
32 Correct 3 ms 348 KB Output is correct
33 Correct 3 ms 344 KB Output is correct
34 Correct 3 ms 348 KB Output is correct
35 Correct 8 ms 1804 KB Output is correct
36 Correct 2 ms 604 KB Output is correct
37 Correct 7 ms 1372 KB Output is correct
38 Correct 9 ms 1884 KB Output is correct
39 Correct 8 ms 1884 KB Output is correct
40 Correct 10 ms 1884 KB Output is correct
41 Correct 9 ms 1880 KB Output is correct
42 Correct 8 ms 1752 KB Output is correct
43 Correct 8 ms 1760 KB Output is correct
44 Correct 76 ms 1752 KB Output is correct
45 Correct 16 ms 1936 KB Output is correct
46 Correct 11 ms 1884 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 432 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 6 ms 592 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 2 ms 348 KB Output is correct
24 Correct 3 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 3 ms 604 KB Output is correct
27 Correct 3 ms 604 KB Output is correct
28 Correct 3 ms 612 KB Output is correct
29 Correct 3 ms 348 KB Output is correct
30 Correct 3 ms 348 KB Output is correct
31 Correct 3 ms 348 KB Output is correct
32 Correct 3 ms 348 KB Output is correct
33 Correct 3 ms 348 KB Output is correct
34 Correct 3 ms 592 KB Output is correct
35 Correct 8 ms 1728 KB Output is correct
36 Correct 2 ms 604 KB Output is correct
37 Correct 7 ms 1464 KB Output is correct
38 Correct 10 ms 1880 KB Output is correct
39 Correct 8 ms 1884 KB Output is correct
40 Correct 7 ms 1868 KB Output is correct
41 Correct 8 ms 1880 KB Output is correct
42 Correct 8 ms 1784 KB Output is correct
43 Correct 9 ms 1748 KB Output is correct
44 Correct 59 ms 1752 KB Output is correct
45 Correct 10 ms 1928 KB Output is correct
46 Correct 10 ms 1792 KB Output is correct
47 Correct 50 ms 2136 KB Output is correct
48 Correct 7 ms 2140 KB Output is correct
49 Correct 7 ms 2140 KB Output is correct
50 Correct 5 ms 2140 KB Output is correct
51 Execution timed out 1054 ms 2988 KB Time limit exceeded
52 Halted 0 ms 0 KB -