Submission #505041

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
505041	2022-01-10 12:29:15	Jarif_Rahman	여별 열쇠 (JOI15_keys)	C++17	10 / 100	1084 ms	336 KiB

keys

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#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;
const int inf = 1e9+1;
int mn = inf;
int n, m, k;
vector<pair<int, int>> events;
vector<pair<int, int>> pp;
vector<pair<int, int>> ss;
void bf(int in){
    if(in == n){
        if(ss.size() != k) return;
        set<int> s;
        for(int i = 0; i < k; i++) s.insert(ss[i].f), s.insert(ss[i].sc);
        int cur = 0;
        for(int i: s) cur+=events[i+1].f-events[i].f;
        mn = min(mn, cur);
        return;
    }
    ss.pb(pp[in]);
    bf(in+1);
    ss.pop_back();
    bf(in+1);
 
 
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Compilation message (stderr)

keys.cpp: In function 'void bf(int)':
keys.cpp:19:22: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   19 |         if(ss.size() != k) return;
      |            ~~~~~~~~~~^~~~

• Subtask 1: 10 / 10
• Subtask 2: 0 / 90