Kertoma

input/code.cpp: In function 'int main()':
input/code.cpp:7:13: warning: unused variable 'val' [-Wunused-variable]
    7 |         int val = 1e5;
      |             ^~~

#include <bits/stdc++.h>
using namespace std;
#define MOD ((int)1e9+7)
#define BE(t) t.begin(),t.end()

int main(){
	int val = 1e5;
	array<int,10> num;
	int l = 0;
	for(int i = 0; i < 10; ++i){
		int x;
		cin >> x;
		num[i] = x;
		l += x;
	}

	int r = 0;
	if(l == 1){
		if(num[2])
			r = 2;
		else
			r = 3;
	} else if(l == 3){
		if(num[1])
			r = 5;
		else
			r = 6;
	}

	if(r){
		cout << r << '\n';
		return 0;
	}

	int a = 1e5, b = a/2;
	for(;;){
		r = (int)(lgammal(a+1) / logl(10)) + 1;
		if(r > l){
			a -= b;
		} else if(r < l){
			a += b;
		} else {
			break;
		}
		b /= 2;
		if(!b)
			b = 1;
	}

	cout << a << '\n';
}

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

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: ACCEPTED

Test 12

Group: 3

Verdict: ACCEPTED

Test 13

Group: 3

Verdict: ACCEPTED

Test 14

Group: 3

Verdict: ACCEPTED

Test 15

Group: 3

Verdict: ACCEPTED

Test 16

Group: 3

Verdict: ACCEPTED