Submission #959413

#	Time	Username	Problem	Language	Result	Execution time	Memory
959413		Mystic03	Detecting Molecules (IOI16_molecules)	C++17	Compilation error	0 ms	0 KiB

molecules

#include "molecules.h"

std::vector<int> find_subset(int l, int u, std::vector<int> w) {
    int p1 = 0;
    int r = 0;

    int currSum = 0;

    while (currSum < l) {
        currSum += w[r];
        r++;
    }

    if (currSum <= u) {
        return std::vector<int>(w.begin(), w.end());
    }
    r--;
    currSum -= w[r];

    for (int i = r; i < n; i++) {
        currSum += w[r];
        currSum -= w[p1++];
        if (currSum >= l && currSum <= u) {
            return std::vector<int>(w.begin(), w.end());
        }
    }
    return std::vector<int>(0);
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:20:25: error: 'n' was not declared in this scope
   20 |     for (int i = r; i < n; i++) {
      |                         ^