Submission #959415

#	Time	Username	Problem	Language	Result	Execution time	Memory
959415		Mystic03	Detecting Molecules (IOI16_molecules)	C++17	0 / 100	1 ms	348 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.begin() + r);
    }
    r--;
    currSum -= w[r];

    for (int i = r; i < w.size(); i++) {
        currSum += w[i];
        currSum -= w[p1++];
        if (currSum >= l && currSum <= u) {
            return std::vector<int>(w.begin() + p1, w.end() + i + 1);
        }
    }
    return std::vector<int>(0);
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:20:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |     for (int i = r; i < w.size(); i++) {
      |                     ~~^~~~~~~~~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 10
• Subtask 3: 0 / 12
• Subtask 4: 0 / 15
• Subtask 5: 0 / 23
• Subtask 6: 0 / 31