제출 #834964

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
834964		vjudge1	Palembang Bridges (APIO15_bridge)	C++17	22 / 100	86 ms	5964 KiB

bridge

#include<bits/stdc++.h>
#define ll long long
#define fi first
#define se second
using namespace std;
const int nmax = 1e5+5;
struct abt {
    char har;
    int h;
    char oar;
    int o;
};
abt per[nmax];
int main() {
    int K,N;
    long long dist = 0;
    cin >> K >> N;
    vector<pair<int,int>>jar;
    vector<int>dex;
    for(int i=1; i<=N; i++) {
        cin >> per[i].har >> per[i].h >> per[i].oar >> per[i].o;
        if(per[i].har == per[i].oar) {
            dist += abs(per[i].h - per[i].o);
        } else {
            jar.push_back({per[i].h, per[i].o});
            dex.push_back(per[i].h);
            dex.push_back(per[i].o);
        }
    }
    int bridge;
    if(jar.empty()) {
        cout << dist << endl;
        return 0;
    }
    sort(dex.begin(), dex.end());
    int tengah = dex.size()/2;
    int tng = dex[tengah];
    for(int i=0; i<jar.size(); i++) {
        dist += abs(jar[i].fi - tng) + abs(jar[i].se - tng);
    }
    dist += jar.size();
    cout << dist << endl;
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

bridge.cpp: In function 'int main()':
bridge.cpp:38:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |     for(int i=0; i<jar.size(); i++) {
      |                  ~^~~~~~~~~~~
bridge.cpp:30:9: warning: unused variable 'bridge' [-Wunused-variable]
   30 |     int bridge;
      |         ^~~~~~

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