oj.uz

Submission #903952

# Submission time Handle Problem Language Result Execution time Memory
903952 2024-01-11T15:23:19 Z andrey27_sm Cultivation (JOI17_cultivation) C++17
15 / 100
 180 ms 612 KB 
//#pragma GCC optimize("Ofast,unroll-loops")
//#pragma GCC target("arch=icelake-server,avx512f,avx512bw,avx512bitalg,bmi,bmi2")

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
constexpr ll mod = 1e9 + 7;

int n,r,c;
vector<ll> grass[41];
ll test(int no,int so) {
    ll min_ea = 0;
    ll min_we = 0;
    ll min_tot = 0;
    for(int i = 0;i < r;i++) {
        vector<ll> items;
        for(int j = max(0,i-no);j <= min(r-1,i+so);j++) {
            for(auto e:grass[j]) {
                items.push_back(e);
            }
        }
        sort(items.begin(),items.end());
        if(items.size() == 0) return 1e15;
        min_ea = max(min_ea,items[0]);
        min_we = max(min_we,c-1-items[items.size()-1]);
        for(int j = 1;j < items.size();j++) {
            min_tot = max(min_tot,items[j]-items[j-1]-1);
        }
    }
    return max(min_ea+min_we,min_tot);
}
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    cin >> r >> c >> n;
    for(int i = 0; i < n; i++)
    {
        int x,y;
        cin >> x >> y;
        x--;
        y--;
        grass[x].push_back(y);
    }
    ll best = 1e15;
    for(int no = 0;no < r;no++) {
        for(int so = 0;so+no < r;so++) {
            best = min(best,test(no,so)+no+so);
        }
    }
    cout << best << "\n";
    return 0;
}

Compilation message

cultivation.cpp: In function 'll test(int, int)':
cultivation.cpp:27:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |         for(int j = 1;j < items.size();j++) {
      |                       ~~^~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 448 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 452 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 360 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 0 ms 468 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 452 KB Output is correct
16 Correct 0 ms 456 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 448 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 452 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 360 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 0 ms 468 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 452 KB Output is correct
16 Correct 0 ms 456 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 7 ms 348 KB Output is correct
19 Correct 9 ms 348 KB Output is correct
20 Correct 0 ms 508 KB Output is correct
21 Correct 17 ms 344 KB Output is correct
22 Correct 41 ms 344 KB Output is correct
23 Correct 7 ms 348 KB Output is correct
24 Correct 107 ms 464 KB Output is correct
25 Correct 60 ms 360 KB Output is correct
26 Correct 150 ms 360 KB Output is correct
27 Correct 140 ms 612 KB Output is correct
28 Correct 90 ms 360 KB Output is correct
29 Correct 133 ms 348 KB Output is correct
30 Correct 148 ms 596 KB Output is correct
31 Correct 180 ms 444 KB Output is correct
32 Correct 146 ms 440 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 448 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 452 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 360 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 0 ms 468 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 452 KB Output is correct
16 Correct 0 ms 456 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 7 ms 348 KB Output is correct
19 Correct 9 ms 348 KB Output is correct
20 Correct 0 ms 508 KB Output is correct
21 Correct 17 ms 344 KB Output is correct
22 Correct 41 ms 344 KB Output is correct
23 Correct 7 ms 348 KB Output is correct
24 Correct 107 ms 464 KB Output is correct
25 Correct 60 ms 360 KB Output is correct
26 Correct 150 ms 360 KB Output is correct
27 Correct 140 ms 612 KB Output is correct
28 Correct 90 ms 360 KB Output is correct
29 Correct 133 ms 348 KB Output is correct
30 Correct 148 ms 596 KB Output is correct
31 Correct 180 ms 444 KB Output is correct
32 Correct 146 ms 440 KB Output is correct
33 Incorrect 0 ms 344 KB Output isn't correct
34 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 460 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 460 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 448 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 452 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 360 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 0 ms 468 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 452 KB Output is correct
16 Correct 0 ms 456 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 7 ms 348 KB Output is correct
19 Correct 9 ms 348 KB Output is correct
20 Correct 0 ms 508 KB Output is correct
21 Correct 17 ms 344 KB Output is correct
22 Correct 41 ms 344 KB Output is correct
23 Correct 7 ms 348 KB Output is correct
24 Correct 107 ms 464 KB Output is correct
25 Correct 60 ms 360 KB Output is correct
26 Correct 150 ms 360 KB Output is correct
27 Correct 140 ms 612 KB Output is correct
28 Correct 90 ms 360 KB Output is correct
29 Correct 133 ms 348 KB Output is correct
30 Correct 148 ms 596 KB Output is correct
31 Correct 180 ms 444 KB Output is correct
32 Correct 146 ms 440 KB Output is correct
33 Incorrect 0 ms 344 KB Output isn't correct
34 Halted 0 ms 0 KB -