Submission #428006

#	Time	Username	Problem	Language	Result	Execution time	Memory
428006		mosiashvililuka	A Difficult(y) Choice (BOI21_books)	C++14	0 / 100	1 ms	292 KiB

books

#include <bits/stdc++.h>
#include "books.h"
using namespace std;
long long a,k,A,S,jm,f[100009],lef,rig,mid,i,j,ii,jj,zx,xc;
deque <long long> de;
vector <int> vv;
vector <int> theend(){
	vv.clear();
	for(int h=0; h<de.size(); h++){
		vv.push_back(de[h]);
	}
	return vv;
}
void solve(int N, int K, long long AA, int SS) {
	a=N;k=K;A=AA;S=SS;
	for(i=1; i<k; i++){
		f[i]=skim(i);
		de.push_back(i);
		jm+=f[i];
	}
	f[k]=skim(k);
	de.push_back(k);jm+=f[k];
	if(jm>=A&&jm<=A*2){
		answer(theend());
		return;
	}
	if(jm>A*2){
		impossible();
		return;
	}
	jm-=f[k];de.pop_back();
	lef=k;rig=a+1;
	while(1){
		if(lef+1>=rig){
			mid=lef;
			break;
		}
		mid=(lef+rig)/2;
		f[mid]=skim(mid);
		if(f[mid]+jm<=2*A){
			lef=mid;
		}else{
			rig=mid;
		}
	}
	if(jm+f[mid]>=A){
		answer(theend());
		return;
	}
	jm+=f[mid];de.push_front(mid);
	i=mid;
	for(j=k-1; j>=1; j--){
		de.pop_back();jm-=f[j];
		i--;f[i]=skim(i);jm+=f[i];de.push_front(i);
		if(jm>=A){
			answer(theend());
			return;
		}
	}
	impossible();
}

Compilation message (stderr)

books.cpp: In function 'std::vector<int> theend()':
books.cpp:9:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::deque<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |  for(int h=0; h<de.size(); h++){
      |               ~^~~~~~~~~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 15
• Subtask 3: 0 / 10
• Subtask 4: 0 / 15
• Subtask 5: 0 / 15
• Subtask 6: 0 / 20
• Subtask 7: 0 / 20