제출 #683150

#제출 시각아이디문제언어결과실행 시간메모리
683150JuanDetecting Molecules (IOI16_molecules)C++17
컴파일 에러
0 ms0 KiB
#include<bits/stdc++.h> using namespace std; #define pii pair<int, int> #define ff first #define ss second vector<int> ans; vector<pii> arr; bool dp(int id, int sum){ if(sum>u) return false; if(sum>=l && sum<=u) return true; for(int i = id; i < arr.size(); i++){ if(dp(i+1, sum+arr[i].ff)){ ans.push_back(arr[i].ss); return true; } } return false; } int[] find_subset(int l, int u, int[] w){ for(int i = 0; i < sizeof w; i++) arr.push_back({w[i], i}); sort(arr.begin(), arr.end(), greater<pii>()); dp(0, 0); return ans; }

컴파일 시 표준 에러 (stderr) 메시지

molecules.cpp: In function 'bool dp(int, int)':
molecules.cpp:11:9: error: 'u' was not declared in this scope
   11 |  if(sum>u) return false;
      |         ^
molecules.cpp:12:10: error: 'l' was not declared in this scope
   12 |  if(sum>=l && sum<=u) return true;
      |          ^
molecules.cpp:12:20: error: 'u' was not declared in this scope
   12 |  if(sum>=l && sum<=u) return true;
      |                    ^
molecules.cpp:13:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |  for(int i = id; i < arr.size(); i++){
      |                  ~~^~~~~~~~~~~~
molecules.cpp: At global scope:
molecules.cpp:22:4: error: structured binding declaration cannot have type 'int'
   22 | int[] find_subset(int l, int u, int[] w){
      |    ^~
molecules.cpp:22:4: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
molecules.cpp:22:4: error: empty structured binding declaration
molecules.cpp:22:7: error: expected initializer before 'find_subset'
   22 | int[] find_subset(int l, int u, int[] w){
      |       ^~~~~~~~~~~