제출 #380568

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
380568	2021-03-22 11:10:36	mariowong	Building Bridges (CEOI17_building)	C++14	100 / 100	276 ms	8160 KiB

building

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <bits/stdc++.h>
using namespace std;
struct cht{
  long long dpval,hgt,psum,indx;
}b;
vector <cht> v;
vector <pair<long long,long long>  > now;
long long n,dp[100005],h[100005],w[100005],ps[100005],a[100005],l,r;
long long lft,rht,midd,indx;
bool cmp(cht a1,cht a2){
  return ((a1.hgt < a2.hgt) || (a1.hgt == a2.hgt) && a1.dpval-a1.psum < a2.dpval-a2.psum);
}
long double m(int j,int k){
  if (h[j] == h[k])
  return 1e18;
  return (long double)((dp[j]-ps[j]+h[j]*h[j])-(dp[k]-ps[k]+h[k]*h[k]))/(long double)(2*(h[j]-h[k]));
}
void solve(int x,int y){
  if (x == y);
  else
  {
    int mid=(x+y)/2;
    solve(x,mid);
    l=1; r=1; v.clear(); now.clear();
    for (int i=x;i<=mid;i++){
      b.dpval=dp[i]; b.hgt=h[i]; b.psum=ps[i]; b.indx=i;
      v.push_back(b);
    }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

컴파일 시 표준 에러 (stderr) 메시지

building.cpp: In function 'bool cmp(cht, cht)':
building.cpp:13:50: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   13 |  return ((a1.hgt < a2.hgt) || (a1.hgt == a2.hgt) && a1.dpval-a1.psum < a2.dpval-a2.psum);
      |                               ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
building.cpp: In function 'void solve(int, int)':
building.cpp:32:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<cht>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |   for (int i=0;i<v.size();i++){
      |                ~^~~~~~~~~
building.cpp:39:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |   for (int i=0;i<now.size();i++){
      |                ~^~~~~~~~~~~

• Subtask 1: 30 / 30
• Subtask 2: 30 / 30
• Subtask 3: 40 / 40