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Submission #1104540

# Submission time Handle Problem Language Result Execution time Memory
1104540 2024-10-24T02:22:45 Z hickwhither Zemljište (COCI22_zemljiste) C++17
70 / 70
 1142 ms 2476 KB 
#include <iostream>
#include <algorithm>
 
using namespace std;
 
#define int int64_t
 
#define minimize(a,b) a=min(a,b)
 
int64_t ans = 1e18;
int n, m, a, b;
int x;
int64_t ps[503][503];
int64_t s[503];
 
int64_t toQ(int64_t x){
    // cout << x << '\n';
    return abs(x-a) + abs(x-b);
}
 
signed main()
{
    cin.tie(0) -> sync_with_stdio(0);
    // if(fopen("DAUTU.inp", "r")){
    //     freopen("DAUTU.inp", "r",stdin);
    //     freopen("DAUTU.out", "w",stdout);
    // }
    
    cin >> n >> m >> a >> b; if(a>b)swap(a,b);
    for(int i=1; i<=n; ++i)
    for(int j=1; j<=m; ++j){
        cin >> x;
        ps[i][j] = ps[i][j-1]+x;
    }
    // cout << ps[3][1] << '\n';
 
    for(int l=1; l<=m; ++l)
    for(int r=l; r<=m; ++r){
        for(int i=1; i<=n; ++i) s[i] = s[i-1]+ps[i][r] - ps[i][l-1];
 
        // cout << l << ' ' << r << '\n';
        for(int i=1; i<=n; ++i){
            // s[i]-b<s[i]-a
            int c = lower_bound(s+1,s+i,s[i]-b) - s,
                d = upper_bound(s+1,s+i,s[i]-a) - s;
            // cout << c << ' ' << d << ' ' <<  i << " ~ " << s[i] << ' ' << s[i]-a << ' ' << s[i]-b << '\n';
            // cout << s[i] << "~~\n";
            if(c!=d){
                cout << b-a;
                return 0;
            }
            minimize(ans, toQ(s[i]-s[c]));
            minimize(ans, toQ(s[i]-s[c-1]));
            // minimize(ans, toQ(s[i]-s[d]));
            
            // minimize(ans, toQ(s[i]-s[d-1]));
            // minimize(ans, toQ(s[i]-s[c+1]));
            // minimize(ans, toQ(s[i]-s[d+1]));
        }
    }
    cout << ans;
    
 
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 2 ms 592 KB Output is correct
11 Correct 2 ms 848 KB Output is correct
12 Correct 2 ms 848 KB Output is correct
13 Correct 2 ms 1020 KB Output is correct
14 Correct 2 ms 336 KB Output is correct
15 Correct 9 ms 848 KB Output is correct
16 Correct 8 ms 848 KB Output is correct
17 Correct 9 ms 848 KB Output is correct
18 Correct 2 ms 848 KB Output is correct
19 Correct 2 ms 848 KB Output is correct
20 Correct 2 ms 848 KB Output is correct
21 Correct 2 ms 848 KB Output is correct
22 Correct 2 ms 848 KB Output is correct

Subtask #3
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 2 ms 592 KB Output is correct
11 Correct 2 ms 848 KB Output is correct
12 Correct 2 ms 848 KB Output is correct
13 Correct 2 ms 1020 KB Output is correct
14 Correct 2 ms 336 KB Output is correct
15 Correct 9 ms 848 KB Output is correct
16 Correct 8 ms 848 KB Output is correct
17 Correct 9 ms 848 KB Output is correct
18 Correct 2 ms 848 KB Output is correct
19 Correct 2 ms 848 KB Output is correct
20 Correct 2 ms 848 KB Output is correct
21 Correct 2 ms 848 KB Output is correct
22 Correct 2 ms 848 KB Output is correct
23 Correct 18 ms 2384 KB Output is correct
24 Correct 19 ms 2424 KB Output is correct
25 Correct 28 ms 2308 KB Output is correct
26 Correct 22 ms 2384 KB Output is correct
27 Correct 14 ms 2384 KB Output is correct
28 Correct 19 ms 2252 KB Output is correct
29 Correct 18 ms 2384 KB Output is correct
30 Correct 18 ms 2208 KB Output is correct
31 Correct 7 ms 2128 KB Output is correct
32 Correct 1142 ms 2424 KB Output is correct
33 Correct 1085 ms 2384 KB Output is correct
34 Correct 1050 ms 2284 KB Output is correct
35 Correct 1056 ms 2424 KB Output is correct
36 Correct 1051 ms 2424 KB Output is correct
37 Correct 1084 ms 2420 KB Output is correct
38 Correct 1065 ms 2384 KB Output is correct
39 Correct 1119 ms 2424 KB Output is correct
40 Correct 1110 ms 2420 KB Output is correct
41 Correct 19 ms 2384 KB Output is correct
42 Correct 16 ms 2384 KB Output is correct
43 Correct 18 ms 2384 KB Output is correct
44 Correct 17 ms 2476 KB Output is correct