new file: main.c

	new file:   main.cpp

Author: DataEraserC

c/fp/1

@@ -0,0 +1,26 @@
+#include <stdio.h>
+#include <string.h>
+int min(int a,int b){
+    return a-b;
+}
+int mul(int a,int b){
+    return a*b;
+}
+int div(int a,int b){
+    return a/b;
+}
+int add(const char *a,const char *b){
+    return sprintf(a,"%s%s",a,b);
+}
+int add(int a,int b){
+    return a+b;
+}
+
+int calc(int (*fp)(int a,int b),int a , int b){
+    return (*fp)(a,b);
+}
+
+int main(int argc,char *argv[]){
+    int a=1,b=2;
+    printf("%d %d=%d\n",a,b,calc(add,a,b));
+}

c/fp/main.c

@@ -0,0 +1,28 @@
+#include <cstdio>
+#include <cstring>
+int min(int a,int b){
+    return a-b;
+}
+int mul(int a,int b){
+    return a*b;
+}
+int div(int a,int b){
+    return a/b;
+}
+int add(const char *a,const char *b){
+    char c[100];
+    sprintf(c,"%s%s",a,b);
+    return (int)(*c); 
+}
+int add(int a,int b){
+    return a+b;
+}
+
+int calc(int (*fp)(int a,int b),int a , int b){
+    return (*fp)(a,b);
+}
+
+int main(int argc,char *argv[]){
+    int a=1,b=2;
+    printf("%d %d=%d\n",a,b,calc(add,a,b));
+}