Submission #144819

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
144819	2019-08-17 20:56:34	khrbuddy03	Arranging Shoes (IOI19_shoes)	C++14	Compilation error	0 ms	0 KiB

shoes

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#include <bits/stdc++.h>
using namespace std;
using lint = long long;
const int maxn = 1e5 + 9;
struct fenwick {
    vector<lint> tree;
    fenwick(int _n) : tree(_n + 1, 0) {}
    lint get(int index) {
        lint sum = 0LL;
        while (0 < index) {
            sum += tree[index] * 1LL;
            index -= (index & -index);
        }
        return sum * 1LL;
    }
    void add(int index, lint value) {
        while (index < tree.size()) {
            tree[index] += value * 1LL;
            index += (index & -index);
        }
    }
};
lint count_swaps(vector<int> s) {
    int n = (int)s.size() / 2;
    vector<bool> check(n * 2, false);
 
 
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Compilation message (stderr)

shoes.cpp: In member function 'void fenwick::add(int, lint)':
shoes.cpp:21:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         while (index < tree.size()) {
                ~~~~~~^~~~~~~~~~~~~
/tmp/ccsl8IFQ.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/cc9BrXmC.o:shoes.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status