Submission #931125

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
931125	2024-02-21 09:46:47	Bzslayed	Three Friends (BOI14_friends)	C++17	0 / 100	17 ms	5120 KiB

friends

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#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp> 
#include <ext/pb_ds/tree_policy.hpp> 
using namespace std;
using namespace __gnu_pbds; 
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#define ll long long
#define pll pair<ll, ll>
#define pii pair<int, int>
#define pff pair<float, float>
#define coutpair(p) cout << p.first << " " << p.second << "\n"
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
typedef tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_multiset;
int main(){
    ios_base::sync_with_stdio(0); 
    cin.tie(0); 
    cout.tie(0);
    int n; cin >> n;
    string s; cin >> s;
    unordered_map<char, int> m;
    if (s.length()%2==0){
        cout << "NOT POSSIBLE";
 
 
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Compilation message (stderr)

friends.cpp: In function 'int main()':
friends.cpp:38:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |     for (int i=0; i<s.length(); i++) m[s[i]]++;
      |                   ~^~~~~~~~~~~
friends.cpp:52:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |     for (int i=0; i<s.length(); i++){
      |                   ~^~~~~~~~~~~

• Subtask 1: 0 / 35
• Subtask 2: 0 / 65