Submission #632191

#	Time	Username	Problem	Language	Result	Execution time	Memory
632191		Jovan26	Kpart (eJOI21_kpart)	C++14	0 / 100	1014 ms	492 KiB

Main

#include<bits/stdc++.h>
using namespace std;
bool podeli(int arr[], int x,int y)
{
    int totalSum = 0, i;
    for(i=x; i<y; i++)
        totalSum += arr[i];
    // if sum is odd then does not exist.
    if( (totalSum & 1) != 0)
        return false;
    // Sum of each part.
    int partSum = totalSum/2;
    // latest compilers allows variable length arrays.
    // Else declare the array on heap
    bool partArr[partSum+1][33];
    // initialize top row as true
    for (i = x; i <= y; i++)
        partArr[0][i] = true;
    // initialize first column as false (except part[0][0])
    for (i = 1; i <= partSum; i++)
        partArr[i][0] = false;
    // Fill the partition table in botton up manner
    for (i = x+1; i <= partSum; i++)
    {
        for (int j = x+1; j <= y; j++)
        {
            partArr[i][j] = partArr[i][j-1];
            if (i >= arr[j-1])
                partArr[i][j] = partArr[i][j] || partArr[i - arr[j-1]][j-1];
        }
    }
    return partArr[partSum][y];
}
int main(){
	int t;
	cin>>t;
	vector<int> u[t];
	for(int e = 0; e<t;e++){
		int n;
		cin>>n;
		int a[n];
		int br[n+1];
		for(int i=0;i<n;i++){
		 cin>>a[i];
		br[i] = 0;
		}
		br[n] = 0;
		for(int i=2;i<=n;i++){
			for(int j=0;j<=n-i;j++){
				if(podeli(a,j,j+i)){
				 br[i]++;
			}
			}
		}
		int rez = 0;
		for(int i=2;i<=n;i++){
			if(br[i]==n-i+1){
			rez++;
		}
	}
		u[e].push_back(rez);
		for(int i=2;i<=n;i++) {
			if(br[i]==n-i+1) u[e].push_back(i);
		}
}
for(int i=0;i<t;i++){
	for(int j=0;j<u[i].size();j++){
		cout<<u[i][j];
		if(j!=u[i].size()-1) cout<<" ";
	}
	if(i!=t-1) cout<<endl;
}
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:67:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   67 |  for(int j=0;j<u[i].size();j++){
      |              ~^~~~~~~~~~~~
Main.cpp:69:7: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   69 |   if(j!=u[i].size()-1) cout<<" ";
      |      ~^~~~~~~~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 70