Submission #897226

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
897226	2024-01-02 18:36:43	MarwenElarbi	Examination (JOI19_examination)	C++17	2 / 100	24 ms	13852 KiB

examination

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#include <bits/stdc++.h>
#define vi vector<int>
#define ve vector
#define ll long long
#define vf vector<float>
#define vll vector<pair<ll,ll>>
#define ii pair<int,int>
#define pll pair<ll,ll>
#define vvi vector<vi>
#define vii vector<ii>
#define gii greater<ii>
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define INF 2e9+5
#define eps 1e-7
#define eps1 1e-25
#define optimise ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define MAX_A 1e5+5
#define V 450
using namespace std;
const int MOD = 1e9;
const int nax = 1e5+5;
const int lg = 20;
struct student{
    int sum, left, right;
};
int n,q;
vector<student> tab(nax);
 
 
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Compilation message (stderr)

examination.cpp: In function 'void build(int, int, int, int)':
examination.cpp:52:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |     for (int i = 0; i < segtree[pos*2+1][idx].size(); ++i)
      |                     ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
examination.cpp:54:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |         while(j<segtree[pos*2+2][idx].size()&&segtree[pos*2+2][idx][j]<segtree[pos*2+1][idx][i]) segtree[pos][idx].pb(segtree[pos*2+2][idx][j++]);
      |               ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
examination.cpp:57:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |     while(j<segtree[pos*2+2][idx].size()) segtree[pos][idx].pb(segtree[pos*2+2][idx][j++]);
      |           ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 2 / 2
• Subtask 2: 0 / 20
• Subtask 3: 0 / 21
• Subtask 4: 0 / 57