在运行程序是引用了这个stdio.h，然后运行说是这个错误，怎么回事？

引用头文件stdio.h，运行错误，然后运行不出来，但是用Dev c++却能运行出来，这个问题怎么解决呢
#include<stdio.h>
#include<math.h>
#include<stdlib.h>
#define I 20
#define R 340
#include<string.h>
int main()
{

float y, x, z, f;
for (y = 1.5f; y > 1.5f; y = 0.1f)
{
    for (x = -1.5f; x < 1.5f; x += 0.05f);
    {
        z = x * x + y * y - 1;
        f = z * z * z - x * x * y * y * y;
        putchar(f <= 0.0f ? "*********"[(int)(f * -8.0f)] : ' ');
    }
    putchar('\n');
}
long time;
for (;;)
{
    system("color a");
    for (time = 0; time < 99999999; time++);
    system("color b");
    for (time = 0; time < 99999999; time++);
    system("color c");
    for (time = 0; time < 99999999; time++);
    system("color d");
    for (time = 0; time < 99999999; time++);
    system("color e");
    for (time = 0; time < 99999999; time++);
    system("color f");
    for (time = 0; time < 99999999; time++);
    system("color 0");
    for (time = 0; time < 99999999; time++);
    system("color 1");
    for (time = 0; time < 99999999; time++);
    system("color 2");
    for (time = 0; time < 99999999; time++);
    system("color 3");
    for (time = 0; time < 99999999; time++);
    system("color 4");
    for (time = 0; time < 99999999; time++);
    system("color 5");
    for (time = 0; time < 99999999; time++);
    system("color 6");
    for (time = 0; time < 99999999; time++);
    system("color 7");
    for (time = 0; time < 99999999; time++);
    system("color 8");
    for (time = 0; time < 99999999; time++);
    system("color 9");
}

getchar();
return 0;

}

代码呢？

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