제출 #234596

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
234596	2020-05-24 18:11:12	nafis_shifat	운세 보기 2 (JOI14_fortune_telling2)	C++14	100 / 100	568 ms	29264 KiB

fortune_telling2

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#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];
    
 
 
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컴파일 시 표준 에러 (stderr) 메시지

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