Submission #364619

#	Time	Username	Problem	Language	Result	Execution time	Memory
364619		Andyvanh1	Palembang Bridges (APIO15_bridge)	C++14	22 / 100	74 ms	12212 KiB

bridge

using namespace std;


// 17.4.1.2 Headers

// C


#ifndef _GLIBCXX_NO_ASSERT
#include <cassert>
#endif
#include <cctype>
#include <cerrno>
#include <cfloat>
#include <ciso646>
#include <climits>
#include <clocale>
#include <cmath>
#include <csetjmp>
#include <csignal>
#include <cstdarg>
#include <cstddef>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>

#if __cplusplus >= 201103L
#include <ccomplex>
#include <cfenv>
#include <cinttypes>
#include <cstdbool>
#include <cstdint>
#include <ctgmath>
#include <cwchar>
#include <cwctype>
#endif

// C++
#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <locale>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <typeinfo>
#include <utility>
#include <valarray>
#include <vector>

#if __cplusplus >= 201103L
#include <array>
#include <atomic>
#include <chrono>
#include <condition_variable>
#include <forward_list>
#include <future>
#include <initializer_list>
#include <mutex>
#include <random>
#include <ratio>
#include <regex>
#include <scoped_allocator>
#include <system_error>
#include <thread>
#include <tuple>
#include <typeindex>
#include <type_traits>
#include <unordered_map>
#include <unordered_set>
#endif

typedef long long ll;

const ll MOD = 1000000007;

ll pow(ll a, ll b){
    if(b==0)return (ll)1;

    ll n = pow(a,b/2);
    if(b%2==0){
        return n*n % MOD;
    }else{
        return n*n*a % MOD;
    }

}

void solve(){
int k, n;
cin>>k>>n;
vector<pair<string,int>> vt1;
vector<pair<string,int>> vt2;
vector<int> vt;
if(k==1){
    ll sum = 0;
    for(int i= 0; i< n; i++) {
        string s1, s2;
        int a1, a2;

        cin >> s1 >> a1 >> s2 >> a2;
        if (s1 != s2) {
            vt.push_back(a1);
            vt.push_back(a2);
        }else{
            sum+=abs(a1-a2)*2;
        }
        vt1.push_back({s1, a1});
        vt2.push_back({s2, a2});
    }
    
    sort(vt.begin(),vt.end());
    ll median;
    if(!vt.empty()){
        median = vt[vt.size()/2]+vt[vt.size()/2-1];
    }

    for(int i = 0; i < vt.size(); i++){
        sum+=abs(median-2*vt[i]);
    }
    cout<<(sum+vt.size())/2;

}




  }






int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);





    int tc = 1;
//read(tc);

    while(tc--) {
        //write("Case #", i+1, ": ");
        solve();

    }
}

Compilation message (stderr)

bridge.cpp: In function 'void solve()':
bridge.cpp:140:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  140 |     for(int i = 0; i < vt.size(); i++){
      |                    ~~^~~~~~~~~~~
bridge.cpp:141:17: warning: 'median' may be used uninitialized in this function [-Wmaybe-uninitialized]
  141 |         sum+=abs(median-2*vt[i]);
      |              ~~~^~~~~~~~~~~~~~~~

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