제출 #127535

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
127535	2019-07-09 14:05:28	nxteru	벽 (IOI14_wall)	C++14	61 / 100	719 ms	90852 KiB

wall

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#include "wall.h"
#include <bits/stdc++.h>
using namespace std;
#define INF 100001
#define PB push_back
struct node{
  int d,u;
  void ini(void){
    d=0,u=INF;
  }
  node operator +(const node &q)const{
    if(d>=q.u)return node{q.u,q.u};
    else if(u<=q.d)return node{q.d,q.d};
    else return node{max(d,q.d),min(u,q.u)};
  }
};
struct SEG{
  node seg[1<<20];
  SEG(void){
    for(int i=0;i<1<<20;i++){
      seg[i].ini();
    }
  }
  void up(int a,node x){
    a+=(1<<19)-1;
    seg[a]=x;
    while(a>0){
      a=(a-1)/2;
      seg[a]=seg[a*2+1]+seg[a*2+2];
    }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

wall.cpp: In function 'void buildWall(int, int, int*, int*, int*, int*, int*)':
wall.cpp:41:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int j=0;j<in[i].size();j++){
               ~^~~~~~~~~~~~~
wall.cpp:49:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int j=0;j<out[i].size();j++){
               ~^~~~~~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 24 / 24
• Subtask 3: 29 / 29
• Subtask 4: 0 / 39