CSES - Datatähti 2017 alku - Results
Submission details
Task:Kolikot
Sender:FSMnArmosta
Submission time:2016-10-09 16:20:57 +0300
Language:C++
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.05 s1details
#2ACCEPTED0.06 s1details
#30.05 s1details
#4ACCEPTED0.05 s1details
#50.05 s1details
#60.05 s2details
#7ACCEPTED0.07 s2details
#8ACCEPTED0.06 s2details
#9ACCEPTED0.05 s2details
#100.07 s2details
#110.07 s3details
#12ACCEPTED0.07 s3details
#13ACCEPTED0.06 s3details
#14--3details
#15--3details
#16--3details

Compiler report

input/code.cpp: In function 'int main(int, char**)':
input/code.cpp:99:19: warning: unused variable 's' [-Wunused-variable]
     long long int s = b.size();
                   ^

Code

#include <iostream>
#include <vector>
#include <algorithm>    // std::reverse
#include <math.h>


using namespace std;

long long int bsearch(long long int a, long long int b, long long int v, const vector<long long int> coins, bool orig){
    if(coins[a] == v){
        return a;
    }else if(coins[b] == v){
        return b;
    }else if(coins[b] < v && orig){
        return b;
    }else if(b-a == 1){
        if (coins[a] < v && coins[b] > v){
            return a;
        }else{
            return -1;
        }
    }else{
        long long int middle = (a + b)/2;
        if(coins[middle] > v){
            return bsearch(a, middle, v, coins, false);
        }else if(coins[middle] < v){
            return bsearch(middle, b, v, coins, false);
        }else{
            return middle;
        }
    }
}

bool findSum(long long int money, const vector<long long int> coins, const vector<long long int> st){
    /*long long int s = 0;
    long long int previousIndex = coins.size()-1;
    while(previousIndex > -1){
        long long int index = bsearch(0, previousIndex, money-s, coins, true);
        if(index != -1){
            s = s + coins[index];
            if(s == money){
                return true;
            }
            previousIndex = index-1;
        }else{
            return false;
        }
    }*/
    int index = bsearch(0, coins.size()-1, money, coins, false);
    int index2 = bsearch(0, coins.size()-1, money-1, coins, false);
    if(index == -1)
        return false;
    if(st[index] < money){
        return false;
    }
    if(index-index2 > 1){
        if(st[index2] < money){
            return false;
        }
        return true;
    }

    return true;
}

long long int binarize(const vector<long long int> coins){
    long long int x = 1;
    while(std::binary_search(coins.begin(), coins.end(), pow(2, x))){
        x++;
    }
    return pow(2,x);
}

int main(int argc, char *argv[])
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    long long int qty = 0;
    std::cin >> qty;
    std::vector<long long int> b(0,0);
    for(long long int i = 0; i < qty; i++){
        long long int z = 0;
        std::cin >> z;
        b.push_back(z);
    }


    std::sort(b.begin(), b.end());

    vector<long long int> st;
    int q = 0;
    for(long long int i = 0; i < qty; i++){
        q = q + b[i];
        st.push_back(q);
    }


    long long int s = b.size();

    if(b[0] > 1){
        std::cout << "1" << std::endl;
    }else{
        long long int i = binarize(b);
        while(true){
            if(!findSum(i, b, st)){
                break;
            }
            i++;
        }
        std::cout << i << std::endl;
    }

    return 0;
}

Test details

Test 1

Group: 1

Verdict:

input
10
5 3 1 4 5 1 3 2 2 3

correct output
30

user output
8

Test 2

Group: 1

Verdict: ACCEPTED

input
10
3 5 5 4 5 4 5 5 5 3

correct output
1

user output
1

Test 3

Group: 1

Verdict:

input
10
10 9 2 8 7 10 7 1 5 2

correct output
62

user output
11

Test 4

Group: 1

Verdict: ACCEPTED

input
10
7 4 6 3 9 7 4 4 7 7

correct output
1

user output
1

Test 5

Group: 1

Verdict:

input
10
8 2 1 7 9 7 5 2 4 5

correct output
51

user output
16

Test 6

Group: 2

Verdict:

input
100
3 3 1 4 2 1 2 1 3 1 2 5 1 5 1 ...

correct output
269

user output
8

Test 7

Group: 2

Verdict: ACCEPTED

input
100
3 3 2 3 4 5 4 4 4 4 2 2 4 4 4 ...

correct output
1

user output
1

Test 8

Group: 2

Verdict: ACCEPTED

input
100
678 999 374 759 437 390 832 54...

correct output
1

user output
1

Test 9

Group: 2

Verdict: ACCEPTED

input
100
862 537 633 807 666 248 237 5 ...

correct output
30

user output
30

Test 10

Group: 2

Verdict:

input
100
874 302 384 920 76 28 762 163 ...

correct output
41765

user output
998

Test 11

Group: 3

Verdict:

input
100000
4 2 5 3 2 3 5 2 2 2 3 4 3 3 2 ...

correct output
299640

user output
8

Test 12

Group: 3

Verdict: ACCEPTED

input
100000
2 5 5 5 5 2 4 4 3 2 3 2 5 5 3 ...

correct output
1

user output
1

Test 13

Group: 3

Verdict: ACCEPTED

input
100000
98146842 766872135 84108268 28...

correct output
1

user output
1

Test 14

Group: 3

Verdict:

input
100000
932032495 1 849176169 78948957...

correct output
29970

user output
(empty)

Test 15

Group: 3

Verdict:

input
100000
35894853 796619259 699878597 4...

correct output
44965249639582

user output
(empty)

Test 16

Group: 3

Verdict:

input
100000
930494676 960662779 904422858 ...

correct output
800020001

user output
(empty)