Kertoma

#include <iostream>
#include <cmath>

using namespace std;

int main() { 
    int t[10];
    int sum = 0; 
    for (int i = 0; i < 10; i++){
        cin >> t[i];
        sum += t[i];
    }
    int arr[381] = {0};
    for (int a = 1; a < 382; a++){
        double s = 1;
        for (double i = 0.001; i < double(a + 1) / 1000; i = i + 0.001){
            s = s * i; 
        }
        arr[a - 1] = floor(log10(s)) + a*3 + 1;
    }
    int k = 0;
    for (int b = 381 / 2; b >= 1; b /= 2){
        while (k + b <= 381 && arr [k + b] <= sum){
            k += b;
        }
    }
    if (arr[k] == sum){
        cout << k + 1 << "\n";
    }
} 

Test 1

Group: 1, 2, 3

Verdict: WRONG ANSWER

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

Test 7

Group: 2, 3

Verdict: ACCEPTED

Test 8

Group: 2, 3

Verdict: ACCEPTED

Test 9

Group: 2, 3

Verdict: ACCEPTED

Test 10

Group: 2, 3

Verdict: ACCEPTED

Test 11

Group: 3

Verdict: WRONG ANSWER

Test 12

Group: 3

Verdict: WRONG ANSWER

Test 13

Group: 3

Verdict: WRONG ANSWER

Test 14

Group: 3

Verdict: WRONG ANSWER

Test 15

Group: 3

Verdict: WRONG ANSWER

Test 16

Group: 3

Verdict: WRONG ANSWER