Pakkaus

//#include "stdafx.h"
#include <string>
#include <iostream>
using namespace std;

string out = "";
string in = "";
int a = 0;
char b;
bool c = true;
bool c1 = false;
bool c2 = false;
string d = "";

int main()
{
	getline(cin, in);
	while (true) {
		b = in.at(0);
		in = in.substr(1, in.length()-1);
		switch (b) {
		case '0':
		case '1':
		case '2':
		case '3':
		case '4':
		case '5':
		case '6':
		case '7':
		case '8':
		case '9':
			c1 = true;
			c = true;
			break;
		default:
			d+=b;
			c2 = true;
			c = false;
			break;
		}
		if ((c&&c1&&c2)||(in.length()==0)) {
			for (int i = a; i > 0; i--) {
				out.append(d);
			}
			c1 = false;
			c2 = false;
			a = 0;
			d = "";
			if (in.length() == 0) {
				cout << out;
				//cin >> a;
				return 0;
			}
		}
		switch (b) {
		case '0': a = a * 10 + 0; break;
		case '1': a = a * 10 + 1; break;
		case '2': a = a * 10 + 2; break;
		case '3': a = a * 10 + 3; break;
		case '4': a = a * 10 + 4; break;
		case '5': a = a * 10 + 5; break;
		case '6': a = a * 10 + 6; break;
		case '7': a = a * 10 + 7; break;
		case '8': a = a * 10 + 8; break;
		case '9': a = a * 10 + 9; break;
		}
	}
	return 0;
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: ACCEPTED

Test 4

Group: 1

Verdict: ACCEPTED

Test 5

Group: 1

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: ACCEPTED

Test 7

Group: 2

Verdict: ACCEPTED

Test 8

Group: 2

Verdict: ACCEPTED

Test 9

Group: 2

Verdict: ACCEPTED

Test 10

Group: 2

Verdict: ACCEPTED

Test 11

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 12

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 13

Group: 3

Verdict: ACCEPTED

Test 14

Group: 3

Verdict: ACCEPTED

Test 15

Group: 3

Verdict: ACCEPTED