제출 #27092

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
27092	2017-07-09 08:30:48	tlwpdus	Editor (BOI15_edi)	C++98	100 / 100	896 ms	399308 KiB

edi

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#include <bits/stdc++.h>
using namespace std;
int n;
struct node {
    node *l, *r;
    int val;
    node() {val = 0; l = r = NULL;}
    node(int v):val(v){l = r = NULL;}
    void init(int s = 0, int e = n) {
        if (s==e) return;
        int m = (s+e)>>1;
        if (!l) l = new node();
        if (!r) r = new node();
        l->init(s,m); r->init(m+1,e);
        val = max(l->val,r->val);
    }
    int getv(int S, int E, int s = 0, int e = n) {
        if (e<S||E<s) return 0;
        if (S<=s&&e<=E) return val;
        int m = (s+e)>>1;
        return max(l->getv(S,E,s,m),r->getv(S,E,m+1,e));
    }
    node* upd(int idx, int val, node *ori, int s = 0, int e = n) {
        if (e<idx||idx<s) return ori;
        if (s==e) return new node(val);
        int m = (s+e)>>1;
        if (!l) l = new node();
 
 
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컴파일 시 표준 에러 (stderr) 메시지

edi.cpp: In function 'int main()':
edi.cpp:43:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
                   ^
edi.cpp:48:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&arr[i]);
                            ^

• Subtask 1: 20 / 20
• Subtask 2: 15 / 15
• Subtask 3: 28 / 28
• Subtask 4: 37 / 37