use pure c instead of cpp

Author: DataEraserC

c/rainbowBomb/main.c

@@ -0,0 +1,31 @@
+#include <stdio.h>
+#include <stdbool.h>
+int bomb(int times,char Char){
+    printf("%c[47;31m",0x1B);
+    while (times>0){
+        putchar(Char);
+        times--;
+    }
+    printf("%c[0m\n",0x1B);
+}
+int main(int argc,char *argv[]){
+    char Char;
+    if (1 == argc){
+        Char='~'; 
+        printf("plz input a char:");
+        Char = getchar();
+    }else 
+    {
+         Char = argv[1][0];
+    }
+    while (true) {
+        bomb(8,Char);
+        bomb(9,Char);
+        bomb(10,Char);
+        bomb(11,Char);
+        bomb(10,Char);
+        bomb(9,Char);
+        bomb(8,Char);
+
+    }
+}