제출 #70143

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
70143	2018-08-22 11:48:53	yusufake	벽 (IOI14_wall)	C++98	100 / 100	1095 ms	181500 KiB

wall

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#include<bits/stdc++.h>
using namespace std;
#include "wall.h"
#define N 2000006
#define tm (tl+tr >> 1)
int A[N<<2],B[N<<2],T[N];
void put1(int v, int x){
    A[v] = max(A[v],x);
    B[v] = max(B[v] , A[v]);
}
void put2(int v, int x){
    B[v] = min(B[v],x);
    A[v] = min(A[v] , B[v]);
}
void push(int v){
    put1(v+v,A[v]); put1(v+v+1,A[v]); A[v] = 0;
    put2(v+v,B[v]); put2(v+v+1,B[v]); B[v] = N;
}
void f(int v, int tl, int tr){
    if(tl == tr) { T[tl] = A[v]; return; }
    push(v); f(v+v,tl,tm); f(v+v+1,tm+1,tr);
}
void up(int v, int tl, int tr, int l, int r, int x, int h){
    if(tl > r || tr < l) return;
    if(tl >= l && tr <= r){
 
 
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컴파일 시 표준 에러 (stderr) 메시지

wall.cpp: In function 'void f(int, int, int)':
wall.cpp:6:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
 #define tm (tl+tr >> 1)
             ~~^~
wall.cpp:25:23: note: in expansion of macro 'tm'
     push(v); f(v+v,tl,tm); f(v+v+1,tm+1,tr);
                       ^~
wall.cpp:6:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
 #define tm (tl+tr >> 1)
             ~~^~
wall.cpp:25:36: note: in expansion of macro 'tm'
     push(v); f(v+v,tl,tm); f(v+v+1,tm+1,tr);
                                    ^~
wall.cpp: In function 'void up(int, int, int, int, int, int, int)':
wall.cpp:6:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
 #define tm (tl+tr >> 1)
             ~~^~
wall.cpp:35:24: note: in expansion of macro 'tm'
     push(v); up(v+v,tl,tm,l,r,x,h); up(v+v+1,tm+1,tr,l,r,x,h);
                        ^~
wall.cpp:6:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
 #define tm (tl+tr >> 1)
             ~~^~
wall.cpp:35:46: note: in expansion of macro 'tm'
     push(v); up(v+v,tl,tm,l,r,x,h); up(v+v+1,tm+1,tr,l,r,x,h);
                                              ^~

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