제출 #1001886

#제출 시각아이디문제언어결과실행 시간메모리
1001886rahidilbayramliDetecting Molecules (IOI16_molecules)C++17
69 / 100
36 ms5584 KiB
#include "molecules.h" #include<bits/stdc++.h> #pragma GCC optimize("-O3") #define ll int #define ld long double #define vl vector<ll> #define vi vector<int> #define pii pair<int, int> #define pll pair<ll, ll> #define all(v) v.begin(), v.end() #define rall(v) v.rbegin(), v.rend() #define f first #define s second #define pb push_back #define p_b pop_back using namespace std; vi find_subset(int l, int u, vi w) { int f = min(l, u); int g = max(l, u); l = f, u = g; vi ans; vector<pii>vect; for(int i = 0; i < w.size(); i++) vect.pb({w[i], i}); sort(rall(vect)); int tl = 0, tr = 0; ll sum = 0; while(tl < vect.size()) { while(tr < vect.size() && sum + vect[tr].f <= u) { sum += (ll)(vect[tr].f); tr++; if(l <= sum && sum <= u) { for(ll j = tl; j < tr; j++) ans.pb(vect[j].s); return ans; } } if(l <= sum && sum <= u) { for(ll j = tl; j < tr; j++) ans.pb(vect[j].s); return ans; } sum -= (ll)(vect[tl].f); tl++; } return ans; }

컴파일 시 표준 에러 (stderr) 메시지

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:23:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |     for(int i = 0; i < w.size(); i++)
      |                    ~~^~~~~~~~~~
molecules.cpp:28:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |     while(tl < vect.size())
      |           ~~~^~~~~~~~~~~~~
molecules.cpp:30:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |         while(tr < vect.size() && sum + vect[tr].f <= u)
      |               ~~~^~~~~~~~~~~~~
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