제출 #836087

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
836087	2023-08-24 07:11:18	_martynas	Minerals (JOI19_minerals)	C++14	25 / 100	78 ms	9828 KiB

minerals

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#include "minerals.h"
#include <bits/stdc++.h>
using namespace std;
set<int> in;
map<int, int> M;
/*
solve(A, B)
A -> C D
B -> E F
solve(C, E), solve(D, F)
*/
void solve(set<int> A, set<int> B) {
    assert(A.size() == B.size());
    if(A.empty()) return;
    if(A.size() == 1) {
        M[*A.begin()] = *B.begin();
        return;
    }
    if(!in.empty()) {
        // todo: optimize to not take out needed minerals
        for(int x : in) Query(x);
        in.clear();
    }
    auto ita = A.begin();
    set<int> C, D, E, F;
    int resp;
    int split = A.size()/2;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

In file included from /usr/include/c++/10/cassert:44,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33,
                 from minerals.cpp:2:
minerals.cpp: In function 'void solve(std::set<int>, std::set<int>)':
minerals.cpp:36:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::set<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |     assert(resp == C.size());
      |            ~~~~~^~~~~~~~~~~
minerals.cpp:36:12: warning: 'resp' may be used uninitialized in this function [-Wmaybe-uninitialized]
   36 |     assert(resp == C.size());
      |            ^~~~

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• Subtask 2: 25 / 25
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• Subtask 4: 0 / 30
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• Subtask 9: 0 / 10