제출 #82244

#제출 시각아이디문제언어결과실행 시간메모리
82244farukkastamonuda말 (IOI15_horses)C++14
컴파일 에러
0 ms0 KiB
#include "horses.h" #include <bits/stdc++.h> #define fi first #define se second #define lo long long #define inf 1000000009 #define md 1000000007 #define li 500005 #define mp make_pair #define pb push_back #define mid (start+end)/2 using namespace std; int n,A1[li],B1[li],A[li],B[li]; double tree[li*4],lazy[li*4]; int pw(int a,int b){ if(b==0) return 1; if(b==1) return a; int t=pw(a,b/2); t=t*t; if(b%2==1) t=t*a; return t; } void build(int node,int start,int end){ if(start==end){ tree[node]=A[start]*B[start]; return ; } build(node*2,start,mid);build(node*2+1,mid+1,end); tree[node]=max(tree[node*2],tree[node*2+1]); } void push(int node,int start,int end){ if(lazy[node]==0) return ; tree[node]*=pw(lazy[node],end-start+1); if(start!=end){ if(lazy[node*2]==0) lazy[node*2]=lazy[node]; else lazy[node*2]*=lazy[node]; if(lazy[node*2+1]==0) lazy[node*2+1]=lazy[node]; else lazy[node*2+1]*=lazy[node]; } lazy[node]=0; } double query(int node,int start,int end,int l,int r){ if(start>end || start>r || end<l) return -inf; push(node,start,end); if(start>=l && end<=r) return tree[node]; double q1=query(node*2,start,mid,l,r); double q2=query(node*2+1,mid+1,end,l,r); return max(q1,q2); } int init(int N,int X[],int Y[]){ n=N; for(int i=0;i<n;i++) A[i+1]=X[i]; for(int i=0;i<n;i++) B[i+1]=Y[i]; for(int i=1;i<=n;i++){ A[i]*=(i!=1?A[i-1]:1); } build(1,1,n); int bas=(int)query(1,1,n,1,n); return bas; } void update(int node,int start,int end,int l,int r,double val){ push(node,start,end); if(start>end || start>r || end<l) return ; if(start>=l && end<=r){ if(lazy[node]==0) lazy[node]=val; else lazy[node]*=val; push(node,start,end); return ; } update(node*2,start,mid,l,r,val);update(node*2+1,mid+1,end,l,r,val); tree[node]=max(tree[node*2],tree[node*2+1]); } int updateX(int pos,int val){ //A[pos+1]=val; pos++; double ggwp=val,htht=A[pos]; update(1,1,n,pos,n,ggwp/htht); int bas=(int)query(1,1,n,1,n); return bas; } int updateY(int pos,int val){ pos++; double ggwp=val,htht=B[pos]; update(1,1,n,pos,pos,ggwp/htht); int bas=(int)query(1,1,n,1,n); return bas; } //~ int main(){ //~ scanf("%d",&n); //~ for(int i=0;i<n;i++) scanf("%d",&A1[i]); //~ for(int i=0;i<n;i++) scanf("%d",&B1[i]); //~ int ty=init(n,A1,B1); //~ ty=updateY(1,2); //~ printf("%d\n",ty); //~ return 0; }

컴파일 시 표준 에러 (stderr) 메시지

horses.cpp: In function 'void push(int, int, int)':
horses.cpp:33:26: warning: conversion to 'int' from 'double' may alter its value [-Wfloat-conversion]
  tree[node]*=pw(lazy[node],end-start+1);
                 ~~~~~~~~~^
horses.cpp: At global scope:
horses.cpp:96:1: error: expected declaration before '}' token
 }
 ^