Submission #915217

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
915217	2024-01-23 13:58:55	berr	Two Currencies (JOI23_currencies)	C++17	100 / 100	1868 ms	149724 KiB

currencies

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#include <bits/stdc++.h>
using namespace std;
#define int long long
const int mod = 1e9+7;
struct segtree{
    using T = array<int, 2>;
    vector<T> st;
    vector<int> ar;
    int n, tl, tr;
    T base = {0, 0};
    segtree(){
        st.resize(1);
    };
    T merge(T x, T y){
        x[0] += y[0]; x[1] += y[1];
        return x;
    }
    segtree(vector<int> a){
        ar = a;
        n = a.size();
        st.resize(n*4, base);
        build(1, 0, n-1);
 
 
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Compilation message (stderr)

currencies.cpp: In constructor 'hld::hld(long long int, std::vector<std::vector<std::array<long long int, 2> > >, std::vector<long long int>)':
currencies.cpp:111:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  111 |         for(int i=0; i<chain.size(); i++){
      |                      ~^~~~~~~~~~~~~
currencies.cpp:115:27: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  115 |             for(int l=0; l<chain[i].size(); l++){
      |                          ~^~~~~~~~~~~~~~~~
currencies.cpp: In member function 'void hld::dfs(long long int, long long int)':
currencies.cpp:133:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::array<long long int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  133 |         for(int i = 0; i <g[v].size(); i++){
      |                        ~~^~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 28 / 28
• Subtask 3: 30 / 30
• Subtask 4: 32 / 32