Submission #1138842

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1138842	2025-01-23 13:24:04	vusal	Arranging Shoes (IOI19_shoes)	C++20	Compilation error	0 ms	0 KiB

shoes

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#include <vector>
#include <cmath>
#include <algorithm>
class FenwickTree {
private:
    std::vector<int> tree;
    int size;
public:
    FenwickTree(int n) : tree(n + 1, 0), size(n) {}
    void update(int index, int value) {
        while (index <= size) {
            tree[index] += value;
            index += index & (-index);
        }
    }
    int query(int index) {
        int sum = 0;
        while (index > 0) {
            sum += tree[index];
            index -= index & (-index);
        }
        return sum;
    }
};
long long count_swaps(std::vector<int>& S) {
 
 
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Compilation message (stderr)

/usr/bin/ld: /tmp/ccaEPGk1.o: in function `main':
grader.cpp:(.text.startup+0x289): undefined reference to `count_swaps(std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status