제출 #111238

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
111238	2019-05-14 12:06:30	diamond_duke	New Home (APIO18_new_home)	C++11	57 / 100	5043 ms	190540 KiB

new_home

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#include <algorithm>
#include <cstdio>
#include <vector>
#include <set>
#include <map>
constexpr int INF = 2e8 + 5;
int seg[20000005], lson[20000005], rson[20000005], t_cnt;
void modify(int &u, int l, int r, int pos, int val)
{
  if (!u)
    u = ++t_cnt;
  if (l == r)
  {
    seg[u] = val;
    return;
  }
  int m = l + r >> 1;
  if (pos <= m)
    modify(lson[u], l, m, pos, val);
  else
    modify(rson[u], m + 1, r, pos, val);
  seg[u] = std::min(seg[lson[u]], seg[rson[u]]);
}
int query(int u, int l, int r, int pos, int mn)
{
  if (l == r)
    return l;
  int m = l + r >> 1;
  if (m >= pos && std::min(mn, seg[rson[u]]) >= pos - (m - pos))
    return query(lson[u], l, m, pos, std::min(mn, seg[rson[u]]));
 
 
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컴파일 시 표준 에러 (stderr) 메시지

new_home.cpp: In function 'void modify(int&, int, int, int, int)':
new_home.cpp:17:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int m = l + r >> 1;
          ~~^~~
new_home.cpp: In function 'int query(int, int, int, int, int)':
new_home.cpp:28:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int m = l + r >> 1;
          ~~^~~
new_home.cpp: In function 'int main()':
new_home.cpp:56:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d%d", &n, &k, &q);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~
new_home.cpp:59:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d%d", &shop[i].pos, &shop[i].tp, &shop[i].l, &shop[i].r);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
new_home.cpp:76:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &pos, &t);
   ~~~~~^~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 7 / 7
• Subtask 3: 10 / 10
• Subtask 4: 0 / 23
• Subtask 5: 35 / 35
• Subtask 6: 0 / 20