oj.uz

Submission #1037817

# Submission time Handle Problem Language Result Execution time Memory
1037817 2024-07-29T08:53:04 Z Halym2007 Palembang Bridges (APIO15_bridge) C++17
9 / 100
 2000 ms 2648 KB 
    #include "bits/stdc++.h"
    #define ll long long int
    #define pb push_back
    #define pii pair<int,int>
    #define ff first
    #define ss second
    #define sz size()
     
    const int N = 2e5 + 1;
     
    using namespace std;
     
    int n, k, a[N], b[N];
     
    ll ans, p[N];
     
    char s[N], d[N];
     
    vector <ll> v;
     
    int main(){
        ios::sync_with_stdio(false); cin.tie(nullptr);
        cin >> k >> n;
        v.pb(0);
        for(int i = 1; i <= n; i++){
        	cin >> s[i] >> a[i] >> d[i] >> b[i];
        	if(s[i] == d[i]) ans += abs(a[i] - b[i]);
        	else{
        		v.pb(a[i]);
        		v.pb(b[i]);
        	}
        }
        sort(v.begin(), v.end());
        int n1 = v.sz-1;
        for(int i = 1; i <= n1; i++) v[i] += v[i-1];
        ans += n1 / 2;
        ll mn = 1e15;
      	if (n1 == 0) mn = 0;
        if(k == 1){
        	for(int i = 1; i <= n1; i++){
        		int nd = v[i] - v[i-1];
        		ll san = (i*nd)-v[i] + (v.back() - v[i]) - ((n1-i)*nd);
        		mn = min(mn,san);
        	}
        	cout << ans + mn << '\n';
        }
        else{
        	for(int i = 1; i <= n1; i++){
        		for(int j = i+1; j <= n1; j++){
        			int nd = v[i] - v[i-1], nd1 = v[j] - v[j-1];
        			ll san = 0;
        			for(int u = 1; u <= n; u++){
        				if(s[u] == d[u]) continue;
        				san += min(abs(a[u]-nd)+abs(b[u]-nd),abs(a[u]-nd1)+abs(b[u]-nd1));
        			}
        			mn = min(mn,san);
        		}
        	}
        	cout << ans + mn << '\n';
        }
    }

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Incorrect 0 ms 2396 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Incorrect 1 ms 2396 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 4 ms 2396 KB Output is correct
4 Correct 4 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 5 ms 2392 KB Output is correct
8 Correct 5 ms 2396 KB Output is correct
9 Correct 5 ms 2396 KB Output is correct
10 Correct 4 ms 2528 KB Output is correct
11 Correct 5 ms 2396 KB Output is correct
12 Correct 4 ms 2396 KB Output is correct

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 4 ms 2520 KB Output is correct
4 Correct 3 ms 2528 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 4 ms 2396 KB Output is correct
8 Correct 5 ms 2420 KB Output is correct
9 Correct 6 ms 2396 KB Output is correct
10 Correct 5 ms 2532 KB Output is correct
11 Correct 4 ms 2392 KB Output is correct
12 Correct 5 ms 2516 KB Output is correct
13 Execution timed out 2075 ms 2396 KB Time limit exceeded
14 Halted 0 ms 0 KB -

Subtask #5
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 4 ms 2396 KB Output is correct
4 Correct 4 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 5 ms 2396 KB Output is correct
8 Correct 5 ms 2396 KB Output is correct
9 Correct 5 ms 2396 KB Output is correct
10 Correct 5 ms 2392 KB Output is correct
11 Correct 5 ms 2528 KB Output is correct
12 Correct 5 ms 2516 KB Output is correct
13 Execution timed out 2076 ms 2396 KB Time limit exceeded
14 Halted 0 ms 0 KB -