제출 #443127

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
443127	2021-07-09 18:39:14	Abrar_Al_Samit	Nivelle (COCI20_nivelle)	C++17	0 / 110	166 ms	1164 KiB

nivelle

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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;
#define debug(x) cerr << '[' << (#x) << "] = " << x << '\n';
template<class T> using ordered_set = tree<T, null_type , less<T> , rb_tree_tag , tree_order_statistics_node_update> ;
void PlayGround() {
    int N;
    cin >> N;
    string s; cin >> s;
    vector<vector<int>>app(26, vector<int>());
    for(int i=0; i<N; ++i) {
        int ch = s[i] - 'a';
        app[ch].push_back(i);
    }
    double colorfulness = 2;
    int l, r;
    for(int i=0; i<N; ++i) {
        vector<int>impIndices;
        for(int c=0; c<26; ++c) {
            auto it = lower_bound(app[c].begin(), app[c].end(), i);
            if(it==app[c].end()) continue;
            impIndices.push_back(*it);
        }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

nivelle.cpp: In function 'void PlayGround()':
nivelle.cpp:33:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |         for(int j=0; j<impIndices.size(); ++j) {
      |                      ~^~~~~~~~~~~~~~~~~~
nivelle.cpp:45:32: warning: 'r' may be used uninitialized in this function [-Wmaybe-uninitialized]
   45 |     cout << l+1 << ' ' << r << '\n';
      |                                ^~~~
nivelle.cpp:45:20: warning: 'l' may be used uninitialized in this function [-Wmaybe-uninitialized]
   45 |     cout << l+1 << ' ' << r << '\n';
      |                    ^~~

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