Submission #676990

#	Time	Username	Problem	Language	Result	Execution time	Memory
676990		Dulguun	Detecting Molecules (IOI16_molecules)	C++14	Compilation error	0 ms	0 KiB

molecules

#include<bits/stdc++.h>
using namespace std;

auto find_subset(int l, int u, auto w){
	int n = sizeof(w)/sizeof(w[0]);
	vector<pair<int,int>> v(n);
	for(int i=0; i<n; i++) v[i]={w[i], i};
	sort(v.begin(), v.end());
	
	for(int k=n; k>0; k++){
		int s=0;
		for(int i=0; i<k; i++) s+=v[i];
		do{
			if(s>=l && s<=u) {
				int sol[k];
				for(int j=0; j<k; j++) sol[j]=v[j].second;
				return sol;
			}s=s+v[i]-v[i-k];
		}
		while(int i=k; i<n; i++)
	}
	
}

Compilation message (stderr)

molecules.cpp:4:32: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
    4 | auto find_subset(int l, int u, auto w){
      |                                ^~~~
molecules.cpp: In function 'auto find_subset(int, int, auto:1)':
molecules.cpp:12:27: error: no match for 'operator+=' (operand types are 'int' and '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'})
   12 |   for(int i=0; i<k; i++) s+=v[i];
molecules.cpp:18:11: error: 'i' was not declared in this scope
   18 |    }s=s+v[i]-v[i-k];
      |           ^
molecules.cpp:20:9: error: expected primary-expression before 'int'
   20 |   while(int i=k; i<n; i++)
      |         ^~~
molecules.cpp:20:9: error: expected ')' before 'int'
   20 |   while(int i=k; i<n; i++)
      |        ~^~~
      |         )
molecules.cpp:20:9: error: expected ';' before 'int'
   20 |   while(int i=k; i<n; i++)
      |         ^~~
      |         ;
molecules.cpp:20:26: error: expected ';' before ')' token
   20 |   while(int i=k; i<n; i++)
      |                          ^
      |                          ;