oj.uz

Submission #681510

# Submission time Handle Problem Language Result Execution time Memory
681510 2023-01-13T08:27:42 Z ansgar Palembang Bridges (APIO15_bridge) C++17
0 / 100
 1 ms 340 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define vi vector<int>
#define vvi vector<vi>
#define pii pair<int,int>
#define vpii vector<pii>
#define vvpii vector<vpii>
#define vb vector<bool>
#define vc vector<char>
#define vvc vector<vc>
#define vvb vector<vb>z
#define si set<int>
#define mii map<int,int>

const int mod=1e9+7;
const int N=2e5+1;
const int LN=LLONG_MAX/10;
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int k,n;
    cin>>k>>n;
    int ans=0;
    vi P;
    for(int i=0;i<n;i++){
        char e1,e2;
        int p1,p2;
        cin>>e1>>p1>>e2>>p2;
        if(e1==e2){
            ans+=abs(p1-p2);
        }
        else{
            P.push_back(p1);
            P.push_back(p2);
        }
    }
    int sol=LN;
    sort(P.begin(),P.end());
    if(k==1){
        int aft=P.size();
        int sum=0;
        for(int i : P)sum+=i;
        int p=0;
        int bef=0;
        for(int i=0;i<n;i++){
            //cout<<cA+cB<<endl;
            sol=min(sol,sum);
            while(p<(int)P.size() and P[p]==i){
                aft--;
                bef++;
                p++;
            }
            sum+=bef;
            sum-=aft;
        }
        //cout<<cA+cB<<endl;
        sol=min(sol,sum);
    }
    else{

    }
    if(P.size()==0)sol=0;
    std::cout<<ans+sol+P.size()/2;
}

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Incorrect 1 ms 340 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Incorrect 1 ms 340 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 316 KB Output is correct
3 Incorrect 1 ms 212 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Incorrect 1 ms 320 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #5
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Incorrect 0 ms 212 KB Output isn't correct
4 Halted 0 ms 0 KB -