View Code of Problem 3907

int main() {
	string a, b, c, d;
	int n, m;
	while (cin >> n >> m) {
		int count = 0;
		cin >> a >> b;
		int x = gcd(n, m);
		int tempn = n / x;
		int tempm = m / x;
		while (tempn--) {
			c += a;
		}
		while (tempm--) {
			d += b;
		}
		for (int i = 0;i < c.length();i++) {
			if (c[i] != d[i]) {
				count++;
			}
		}
		printf("%d\n", count*x);
	}
}
/*
Main.cc: In function 'int main()':
Main.cc:2:2: error: 'string' was not declared in this scope
  string a, b, c, d;
  ^~~~~~
Main.cc:2:2: note: suggested alternative: 'struct'
  string a, b, c, d;
  ^~~~~~
  struct
Main.cc:4:9: error: 'cin' was not declared in this scope
  while (cin >> n >> m) {
         ^~~
Main.cc:4:9: note: suggested alternative: 'main'
  while (cin >> n >> m) {
         ^~~
         main
Main.cc:6:10: error: 'a' was not declared in this scope
   cin >> a >> b;
          ^
Main.cc:6:15: error: 'b' was not declared in this scope
   cin >> a >> b;
               ^
Main.cc:7:11: error: 'gcd' was not declared in this scope
   int x = gcd(n, m);
           ^~~
Main.cc:11:4: error: 'c' was not declared in this scope
    c += a;
    ^
Main.cc:14:4: error: 'd' was not declared in this scope
    d += b;
    ^
Main.cc:16:22: error: 'c' was not declared in this scope
   for (int i = 0;i < c.length();i++) {
                      ^
Main.cc:17:16: error: 'd' was not declared in this scope
    if (c[i] != d[i]) {
                ^
Main.cc:21:3: error: 'printf' was not declared in this scope
   printf("%d\n", count*x);
   ^~~~~~
Main.cc:21:3: note: 'printf' is defined in header '<cstdio>'; did you forget to '#include <cstdio>'?
Main.cc:1:1:
+#include <cstdio>
 int main() {
Main.cc:21:3:
   printf("%d\n", count*x);
   ^~~~~~
*/