Kolikot

input/code.cpp: In function 'int main(int, char**)':
input/code.cpp:65:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < v.size(); i++) {
                                ^

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

/* 
 * File:   main.cpp
 * Author: alex
 *
 * Created on October 13, 2016, 10:51 PM
 */

#include <cstdlib>

using namespace std;
#include <iostream>
#include <stack>
#include <algorithm>
#include <vector>
/*
 * 
 */
int main(int argc, char** argv) {
     
     long n;
    cin >> n;
     long l[n];
  
     long a;
     long j=0;
    vector< pair<long , long> > v;
    
    for (int i = 0; i < n; i++) {
        
        cin >> a;
        l[i]=a;

    }
    
    sort(l, l+n);
    a=l[0];
     long r=1;
     long f;
for (int i = 1; i < n; i++) {        
        f=l[i];
        if(f==a){
            r++;
            a=f;
        }else{
            pair < long, long> p=make_pair(a,r);
            v.push_back(p);
            j++;
            a=f;
            r=1;
        }

    }
    pair < long, long> p=make_pair(a,r);
            v.push_back(p);
            
            
    long long s=0;
       
    for (int i = 0; i < v.size(); i++) {
        
        if(v.at(i).first>s+1){
            break;
        }
        s+=v.at(i).first*v.at(i).second;
    }
    cout << s;
    return 0;
}

Test 1

Group: 1

Verdict: WRONG ANSWER

Test 2

Group: 1

Verdict: WRONG ANSWER

Test 3

Group: 1

Verdict: WRONG ANSWER

Test 4

Group: 1

Verdict: WRONG ANSWER

Test 5

Group: 1

Verdict: WRONG ANSWER

Test 6

Group: 2

Verdict: WRONG ANSWER

Test 7

Group: 2

Verdict: WRONG ANSWER

Test 8

Group: 2

Verdict: WRONG ANSWER

Test 9

Group: 2

Verdict: WRONG ANSWER

Test 10

Group: 2

Verdict: WRONG ANSWER

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