Submission #1078651

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1078651	2024-08-28 02:57:46	doducanh	Examination (JOI19_examination)	C++14	43 / 100	1603 ms	109132 KiB

examination

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///breaker
#pragma GCC optimize("O3")
#include<bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ordered_set tree<pair<int,int>, null_type,less<pair<int,int> >, rb_tree_tag,tree_order_statistics_node_update>
#define ll long long
#define fi first
#define se second
#define ii pair<int,int>
#define mp make_pair
#define in(x) freopen(x,"r",stdin)
#define out(x) freopen(x,"w",stdout)
#define bit(x,i) ((x>>i)&1)
#define lc (id<<1)
#define rc ((id<<1)^1)
const int maxn=1e5+7;
const int sz=350;
struct BIT
{
    int t[maxn];
    void add(int x,int val){for(;x;x-=(x&(-x)))t[x]+=val;}
    int get(int x){int res=0;for(;x<maxn;x+=(x&(-x)))res+=t[x];return res;}
}t[sz+7];
struct Data
{
 
 
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Compilation message (stderr)

examination.cpp: In function 'void sol()':
examination.cpp:83:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   83 |             for(int i=(pos1-1)/sz+1; i<=(vx.size()-1)/sz; i++)tmp+=t[i].get(pos2);
      |                                      ~^~~~~~~~~~~~~~~~~~

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