Submission #641641

#	Time	Username	Problem	Language	Result	Execution time	Memory
641641		device	Detecting Molecules (IOI16_molecules)	C++17	Compilation error	0 ms	0 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>
using namespace std;
std::vector<int> find_subset(int l, int u, std::vector<int> w) {
	int n = w.size();
	vector<pair<int,int>> v(n);
	for (int i = 0; i < n; i++) cin >> v[i].first, v[i].second = i;
	sort(v.begin(), v.end());
	int cur = 0, ptr = 0;
	for (int i = 0; i < n; i++) {
		cur += v[i].ff;
		while (cur > u && ptr <= i) {
			cur -= v[ptr].ff;
			ptr++;
		}
		if (cur >= l && cur <= u) {
			vector<int> ret;
			for (int j = ptr; j <= i; j++) ret.push_back(v[j].second);
			return ret;
		}
	}
    return vector<int>(0);
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:11:15: error: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'struct std::pair<int, int>'} has no member named 'ff'
   11 |   cur += v[i].ff;
      |               ^~
molecules.cpp:13:18: error: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'struct std::pair<int, int>'} has no member named 'ff'
   13 |    cur -= v[ptr].ff;
      |                  ^~