Submission #964895

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
964895	2024-04-17 17:05:46	PieArmy	Regions (IOI09_regions)	C++17	85 / 100	2150 ms	131072 KiB

regions

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typedef long long ll;
#include <bits/stdc++.h>
#define pb push_back
#define int ll
using namespace std;
int n,sq,R,Q;
int pre[25001][450],pre2[450][25001],say[25001],renk[200001],fazlapos[25001],bas[200001],son[200001];
vector<int>child[200001],var[25001],sirali[25001];
int cal(int a,int b){
    if(say[b]==0||say[a]==0){
        return 0;
    }
    if(say[b]>sq){
        return pre[a][fazlapos[b]];
    }
    if(say[a]>sq){
        return pre2[fazlapos[a]][b];
    }
    int sta[say[a]];
    int tavan=-1;
    int apos=0;
    int ans=0;
    for(int i=0;i<say[b];i++){
        while(tavan!=-1&&son[sta[tavan]]<bas[var[b][i]]){
            tavan--;
        }
        while(apos<say[a]&&bas[sirali[a][apos]]<=bas[var[b][i]]){
            if(son[sirali[a][apos]]>=bas[var[b][i]]){
 
 
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XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

regions.cpp: In function 'int32_t main()':
regions.cpp:110:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  110 |     bool usaco=0;if(usaco){freopen(".in","r",stdin);freopen(".out","w",stdout);}
      |                            ~~~~~~~^~~~~~~~~~~~~~~~~
regions.cpp:110:60: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  110 |     bool usaco=0;if(usaco){freopen(".in","r",stdin);freopen(".out","w",stdout);}
      |                                                     ~~~~~~~^~~~~~~~~~~~~~~~~~~

• Subtask 1: 15 / 15
• Subtask 2: 70 / 85