제출 #138115

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
138115	2019-07-29 11:30:23	sebinkim	3단 점프 (JOI19_jumps)	C++14	100 / 100	1069 ms	91240 KiB

jumps

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#include <bits/stdc++.h>
using namespace std;
typedef pair <int, int> pii;
struct node{
  int lv, rv, mv;
  
  node() : lv(-1e9), rv(-1e9), mv(-1e9) {}
  node(int lv, int rv) : lv(lv), rv(rv), mv(-1e9) {}
  
  node operator + (node &n)
  {
    node ret;
    
    ret.lv = max(lv, n.lv);
    ret.rv = max(rv, n.rv);
    ret.mv = max(max(mv, n.mv), lv + n.rv);
    
    return ret;
  }
};
struct segtree{
  node T[1101010];
  int sz = 1 << 19;
  
  void init(int n, int *X)
  {
 
 
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컴파일 시 표준 에러 (stderr) 메시지

jumps.cpp: In member function 'int segtree::getval(int, int)':
jumps.cpp:63:10: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
    l = l + 1 >> 1;
        ~~^~~
jumps.cpp:64:10: warning: suggest parentheses around '-' inside '>>' [-Wparentheses]
    r = r - 1 >> 1;
        ~~^~~
jumps.cpp: In function 'int main()':
jumps.cpp:81:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
jumps.cpp:84:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", X + i);
   ~~~~~^~~~~~~~~~~~~
jumps.cpp:95:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &q);
  ~~~~~^~~~~~~~~~
jumps.cpp:98:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &l, &r);
   ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 14 / 14
• Subtask 3: 27 / 27
• Subtask 4: 54 / 54