Submission #234596

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
234596	2020-05-24 18:11:12	nafis_shifat	Fortune Telling 2 (JOI14_fortune_telling2)	C++14	100 / 100	568 ms	29264 KiB

fortune_telling2

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include<bits/stdc++.h>
using namespace std;
const int mxn=2e5+1;
const int mx=3*mxn;
int tree[4*mx]={};
void update(int node,int b,int e,int p,int v) {
    
    if(b>p || e<p)return;
    if(b==e) {
        tree[node]=v;
        return;
    }
    
    int mid=b+e>>1;
    
    int left=node<<1;
    int right=left|1;
    update(left,b,mid,p,v);
    update(right,mid+1,e,p,v);
    tree[node]=max(tree[left],tree[right]);
}
int query(int node,int b,int e,int l,int r) {
    if(l>r)return -1;
    if(b>r || e<l)return -1;
    if(b>=l && e<=r)return tree[node];
    
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

fortune_telling2.cpp: In function 'void update(int, int, int, int, int)':
fortune_telling2.cpp:16:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int mid=b+e>>1;
             ~^~
fortune_telling2.cpp: In function 'int query(int, int, int, int, int)':
fortune_telling2.cpp:31:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int mid=b+e>>1;
             ~^~
fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:54:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&k);
     ~~~~~^~~~~~~~~~~~~~
fortune_telling2.cpp:61:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&a[i],&b[i]);
         ~~~~~^~~~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:69:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&qs[i]);
         ~~~~~^~~~~~~~~~~~~

• Subtask 1: 4 / 4
• Subtask 2: 31 / 31
• Subtask 3: 65 / 65