Submission #465960

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
465960	2021-08-17 12:45:19	Sench2006	Xor Sort (eJOI20_xorsort)	C++14	40 / 100	67 ms	1024 KiB

xorsort

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ar array
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define lb lower_bound
#define ub upper_bound
#define FOR(i, a, b) for(auto i = a; i < b; i++)
#define FORD(i, a, b) for(auto i = a - 1; i >= b; i--)
#define trav(x, v) for(auto x : v)
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
// ---------------------------------------- Solution ---------------------------------------- //
const int N = 1005;
int s, n;
int a[N];
void solve1() {
    vector <pair<int, int>> ans;
    for(int i = 1; i <= (1 << 20); i *= 2) {
        FOR(j, 1, n) {
            if((i&a[j])) {
                if(!(i&a[j + 1])) {
                    ans.push_back({j + 1,j});
 
 
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Compilation message (stderr)

xorsort.cpp: In function 'void solve1()':
xorsort.cpp:12:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 | #define FOR(i, a, b) for(auto i = a; i < b; i++)
......
   41 |     FOR(i, 0, ans.size()) {
      |         ~~~~~~~~~~~~~~~~                
xorsort.cpp:41:5: note: in expansion of macro 'FOR'
   41 |     FOR(i, 0, ans.size()) {
      |     ^~~
xorsort.cpp: In function 'void solve2()':
xorsort.cpp:12:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 | #define FOR(i, a, b) for(auto i = a; i < b; i++)
......
   61 |     FOR(i, 0, ans.size()) {
      |         ~~~~~~~~~~~~~~~~                
xorsort.cpp:61:5: note: in expansion of macro 'FOR'
   61 |     FOR(i, 0, ans.size()) {
      |     ^~~

• Subtask 1: 0 / 25
• Subtask 2: 0 / 35
• Subtask 3: 40 / 40