Submission #921773

#	Time	Username	Problem	Language	Result	Execution time	Memory
921773		Ludissey	Palembang Bridges (APIO15_bridge)	C++14	9 / 100	2089 ms	604 KiB

bridge

#include <bits/stdc++.h>
#define int long long
using namespace std;

vector<char> P;
vector<int> S;
vector<char> Q;
vector<int> T;

signed main() {
    ios_base::sync_with_stdio(false); cin.tie(nullptr);
    int l=0;
    int r=100;
    int n,k; cin >> k >> n;
    P.resize(n);
    S.resize(n);
    Q.resize(n);
    T.resize(n);

    for (int i = 0; i < n; i++){
        cin >> P[i] >> S[i] >> Q[i] >> T[i];
    }
    int mn=1e12;
    for (int j = 0; j < n*2; j++)
    {
        int x1;
        if(j%2==0) x1=S[j/2];
        else x1=T[j/2];
        for (int j2 = j+1; j2 < n*2; j2++){
            int sum=0;
            int x2;
            if(j%2==0) x2=S[j2/2];
            else x2=T[j2/2];
            for (int i = 0; i < n; i++)
            {
                if(P[i]!=Q[i]) {
                    int s1=abs(x1-S[i])+1+abs(x1-T[i]);
                    int s2=abs(x2-S[i])+1+abs(x2-T[i]);
                    sum+=min(s1,s2);
                }
                else sum+=abs(S[i]-T[i]);
            }
            mn=min(sum,mn);
        }
    }
    
    cout << mn<< "\n";
    return 0;
}

Compilation message (stderr)

bridge.cpp: In function 'int main()':
bridge.cpp:12:9: warning: unused variable 'l' [-Wunused-variable]
   12 |     int l=0;
      |         ^
bridge.cpp:13:9: warning: unused variable 'r' [-Wunused-variable]
   13 |     int r=100;
      |         ^

• Subtask 1: 0 / 8
• Subtask 2: 0 / 14
• Subtask 3: 9 / 9
• Subtask 4: 0 / 32
• Subtask 5: 0 / 37