Submission #940362

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
940362	2024-03-07 08:31:11	Sundavar	Crossing (JOI21_crossing)	C++14	100 / 100	4498 ms	339616 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
int conv(char c){
    if(c == 'I') return 0;
    if(c == 'J') return 1;
    return 2;
}
struct segTree{
    struct node{
        vector<int> real_cnt;
        node(){
            real_cnt.resize(3);
        }
        int wrong = 0, set_to = -1, all = 0;
    };
    vector<node> t;
    int maxN = (1<<18);
    segTree(string& real, string& fake){
        t.resize(2*maxN);
        for(int i = 0; i < real.size(); i++){
            t[i+maxN].real_cnt[conv(real[i])] = 1;
            t[i+maxN].wrong = fake[i] != real[i];
            t[i+maxN].all = 1;
        }
        build(1, 0, maxN);
    }
    void build(int v, int l, int r){
        if(r-l == 1) return;
        build(2*v, l, (l+r)/2), build(2*v+1, (l+r)/2, r);
 
 
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Compilation message (stderr)

Main.cpp: In constructor 'segTree::segTree(std::string&, std::string&)':
Main.cpp:21:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |         for(int i = 0; i < real.size(); i++){
      |                        ~~^~~~~~~~~~~~~
Main.cpp: In function 'int main()':
Main.cpp:102:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<segTree>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  102 |     for(int i = 0; i < trees.size(); i++)
      |                    ~~^~~~~~~~~~~~~~
Main.cpp:111:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<segTree>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  111 |         for(int i = 0; i < trees.size(); i++){
      |                        ~~^~~~~~~~~~~~~~

• Subtask 1: 3 / 3
• Subtask 2: 23 / 23
• Subtask 3: 23 / 23
• Subtask 4: 51 / 51