Submission #1066247

#	Time	Username	Problem	Language	Result	Execution time	Memory
1066247		Ahmed57	Packing Biscuits (IOI20_biscuits)	C++17	9 / 100	1100 ms	525660 KiB

biscuits

#include "bits/stdc++.h"
using namespace std;
#define int long long
vector<int> A;
int lim , X;
long long inf = 1.1e18;
long long count_tastiness(long long x,vector<long long> a){
    A.clear();
    for(int i = 0;i<a.size();i++)A.push_back(a[i]);
    int k = A.size();
    int ans = 0;
    for(int i = 0;i<A.size();i++){
        ans/=2;
        ans+=A[i];
    }
    while(ans>=x){
        ans/=2;
        A.push_back(0);
    }
    for(int i = 1;i<A.size();i++){
        A[i]*=(1ll<<i);
        A[i]+=A[i-1];
    }
    k = A.size();
    lim = k;
    X = x;
    vector<array<int,2>> lol;
    lol.push_back({0,1});
    for(int i = 0;i<A.size();i++){
        vector<array<int,3>> nlol;
        int it1 = 0;
        int it2 = 0;
        while(it2<lol.size()&&(lol[it2][0])+A[i]<X)it2++;
        while(it1<lol.size()||it2<lol.size()){
            if(it1<lol.size()&&(it2==lol.size()||(lol[it1][0])+A[i]<=(lol[it2][0])+A[i]-X)){
                nlol.push_back({(lol[it1][0]),lol[it1][1]});
                it1++;
            }else{
                nlol.push_back({(lol[it2][0])-X,lol[it2][1]});
                it2++;
            }
        }
        lol.clear();
        for(int j = 0;j<nlol.size();){
            int it = j;
            int sum = 0;
            while(it<nlol.size()&&nlol[it][0]==nlol[j][0]){
                sum+=nlol[it][1];
                it++;
            }
            lol.push_back({nlol[j][0],sum});
            j = it;
        }
        X*=2;
        X = min(X,inf);
    }
    long long all = 0;
    for(int i = 0;i<lol.size();i++){
        all+=lol[i][1];
    }
    return all;
}

Compilation message (stderr)

biscuits.cpp: In function 'long long int count_tastiness(long long int, std::vector<long long int>)':
biscuits.cpp:9:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |     for(int i = 0;i<a.size();i++)A.push_back(a[i]);
      |                   ~^~~~~~~~~
biscuits.cpp:12:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |     for(int i = 0;i<A.size();i++){
      |                   ~^~~~~~~~~
biscuits.cpp:20:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |     for(int i = 1;i<A.size();i++){
      |                   ~^~~~~~~~~
biscuits.cpp:29:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |     for(int i = 0;i<A.size();i++){
      |                   ~^~~~~~~~~
biscuits.cpp:33:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::array<long long int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |         while(it2<lol.size()&&(lol[it2][0])+A[i]<X)it2++;
      |               ~~~^~~~~~~~~~~
biscuits.cpp:34:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::array<long long int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |         while(it1<lol.size()||it2<lol.size()){
      |               ~~~^~~~~~~~~~~
biscuits.cpp:34:34: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::array<long long int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |         while(it1<lol.size()||it2<lol.size()){
      |                               ~~~^~~~~~~~~~~
biscuits.cpp:35:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::array<long long int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |             if(it1<lol.size()&&(it2==lol.size()||(lol[it1][0])+A[i]<=(lol[it2][0])+A[i]-X)){
      |                ~~~^~~~~~~~~~~
biscuits.cpp:35:36: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::array<long long int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |             if(it1<lol.size()&&(it2==lol.size()||(lol[it1][0])+A[i]<=(lol[it2][0])+A[i]-X)){
      |                                 ~~~^~~~~~~~~~~~
biscuits.cpp:44:24: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::array<long long int, 3> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |         for(int j = 0;j<nlol.size();){
      |                       ~^~~~~~~~~~~~
biscuits.cpp:47:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::array<long long int, 3> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |             while(it<nlol.size()&&nlol[it][0]==nlol[j][0]){
      |                   ~~^~~~~~~~~~~~
biscuits.cpp:58:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::array<long long int, 2> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   58 |     for(int i = 0;i<lol.size();i++){
      |                   ~^~~~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 0 / 12
• Subtask 3: 0 / 21
• Subtask 4: 0 / 35
• Subtask 5: 0 / 23