// leet console application

#include <stdio.h>
#include <windows.h>

void main(void)
{
	char cColor[] = "color 0";
	size_t nBufferSize = sizeof(cColor) + 2;
	char *cBuffer = (char *)malloc(nBufferSize);	// append xx
	for (int i = 0; i <= 100; i++)
	{
		char cTemp[12];
		sprintf(cTemp, "%d", i);

		ZeroMemory((void *)cBuffer, nBufferSize);
		strcpy(cBuffer, cColor);

		cBuffer[(strlen(cBuffer) - (strlen(cTemp) - 1))] = '\0';

		strcat(cBuffer, cTemp);

		system(cBuffer);

		system("CLS");
		printf("%s\n", cBuffer);

		Sleep(500);
	}
	free((void *)cBuffer);

	system("PAUSE");
}

void main(void)

free((void *)cBuffer);