Submission #837039

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
837039	2023-08-24 20:08:04	LucaIlie	Two Currencies (JOI23_currencies)	C++17	100 / 100	2364 ms	73804 KiB

currencies

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#include <bits/stdc++.h>
using namespace std;
struct edge {
    int u, v;
    int other( int x ) {
        return u ^ v ^ x;
    }
};
struct checkpoint {
    int e, c;
};
struct query {
    int u, v, x;
    long long y;
};
struct answer {
    long long sum;
    int cnt;
};
struct AIB {
    vector<long long> aib;
    void init( int n ) {
 
 
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Compilation message (stderr)

currencies.cpp: In member function 'void AIB::init(int)':
currencies.cpp:32:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |         for ( int i = 0; i < aib.size(); i++ )
      |                          ~~^~~~~~~~~~~~
currencies.cpp: In member function 'void AIB::update(int, int)':
currencies.cpp:37:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |         while ( i < aib.size() ) {
      |                 ~~^~~~~~~~~~~~
currencies.cpp: In function 'answer queryArb(int, int)':
currencies.cpp:137:64: warning: narrowing conversion of '((cnt.AIB::query(leftPos[u]) + cnt.AIB::query(leftPos[v])) - (2 * cnt.AIB::query(leftPos[l])))' from 'long long int' to 'int' [-Wnarrowing]
  137 |              cnt.query( leftPos[u] ) + cnt.query( leftPos[v] ) - 2 * cnt.query( leftPos[l] )
      |              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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