Lukuvälit

input/code.cpp: In function 'int main()':
input/code.cpp:122:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(int p=0; p<s.length(); p++){
                          ~^~~~~~~~~~~

/*

#include <bits/stdc++.h>

using namespace std;


int main(){
    
    long long n, x;
    string s;
    vector< vector<long long> > v;
    cin >> n;
    v.resize(n);
    
    multiset<long long> setti;

    for(int i=0; i<n; i++){
        
        for(int j=0; j<50; j++){
            v[i].push_back(0);
        }
    }
    
    
    for(int i=0; i<n; i++){
        cin>>s;
        int sum=0;
        for(int j=0; j<s.length(); j++){
            int k = s.find(s[j], j+1);
            
            v[i][j] = k;
            sum+=k;
        }
        setti.insert(k);

    }

    
    for(int i=0; i<n; i++){
        for(int j=0; j<50; j++){
            cout<<v[i][j]<<" ";
        }
        cout<<"\n";
    }
    
    
    
    
    return 0;
}

#include <bits/stdc++.h>

using namespace std;

long long nChoosek( long long n, long long k )
{
    if (k > n) return 0;
    if (k * 2 > n) k = n-k;
    if (k == 0) return 1;
    
    int result = n;
    for(long long i = 2; i <= k; ++i ) {
        result *= (n-i+1);
        result /= i;
    }
    return result;
}


int main(){
    
    long long n, x;
    string s;
    cin >> n;
    
    multiset<long long> setti;
    set<long long> setti1;
    
    
    for(int i=0; i<n; i++){
        cin>>s;
        x=0;
        for(int j=0; j<s.length(); j++){
            int k = s.find(s[j], j+1);
            x += k;
        }
        setti.insert(x+s.length());
        setti1.insert(x+s.length());
    }
    long long res = 0;
    
    for(auto a: setti1){
        res += nChoosek(setti.count(a), 2);
    }
    
    cout<<res<<"\n";
    
    return 0;
}
*/

#include <bits/stdc++.h>

using namespace std;

int main(){
    int n, a, b, c=0;
    
    vector<int> v;
    
    cin >> n;
    
    for(int i=0; i<n; i++){
        cin>>a>>b;
        c=0;
        for(int j=a; j<=b; j++){
            string s = to_string(j);
            bool ok = true;
            
            for(int p=0; p<s.length(); p++){
                if(s[p] != '0' && s[p] != '1'){
                    ok = false;
                }
            }
            
            if(ok) c++;
        }
        v.push_back(c);
        
    }
    for(int i=0; i<n; i++){
        cout<<v[i]<<"\n";
    }
    
    
    return 0;
    
}

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: 1, 2, 3

Verdict: ACCEPTED

Test 8

Group: 1, 2, 3

Verdict: ACCEPTED

Test 9

Group: 1, 2, 3

Verdict: ACCEPTED

Test 10

Group: 1, 2, 3

Verdict: ACCEPTED

Test 11

Group: 1, 2, 3

Verdict: ACCEPTED

Test 12

Group: 1, 2, 3

Verdict: ACCEPTED

Test 13

Group: 2, 3

Verdict: TIME LIMIT EXCEEDED

Test 14

Group: 2, 3

Verdict: TIME LIMIT EXCEEDED

Test 15

Group: 2, 3

Verdict: TIME LIMIT EXCEEDED

Test 16

Group: 2, 3

Verdict: TIME LIMIT EXCEEDED

Test 17

Group: 2, 3

Verdict: ACCEPTED

Test 18

Group: 2, 3

Verdict: TIME LIMIT EXCEEDED

Test 19

Group: 2, 3

Verdict: ACCEPTED

Test 20

Group: 2, 3

Verdict: ACCEPTED

Test 21

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 22

Group: 3

Verdict: WRONG ANSWER

Test 23

Group: 3

Verdict: WRONG ANSWER

Test 24

Group: 3

Verdict: WRONG ANSWER

Test 25

Group: 3

Verdict: ACCEPTED

Test 26

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 27

Group: 3

Verdict: WRONG ANSWER

Test 28

Group: 3

Verdict: TIME LIMIT EXCEEDED