Code style. Logical edits.

main.cpp

@@ -4,47 +4,43 @@
 using namespace std;
 
 
-string fa2_callback(){
+string fa2_callback() {
     string res;
     cout << "Enter 2fa code: ";
     cin >> res;
     return res;
 }
 
-string captcha_callback(const string &captcha_sid){
+string captcha_callback(const string &captcha_sid) {
     string res;
     cout << "Open image https://api.vk.com/captcha.php?sid=" << captcha_sid;
     cout << " and enter text: " << endl;
     cin >> res;
     return res;
 }
 
-void print_man(){
+void print_man() {
     cout << "Usage: [access_token] login pass" << endl;
 }
 
-int main(int argc, char *argv[])
-{
-    if(argc < 2 || argc > 4){
+int main(int argc, char *argv[]) {
+    if(argc < 2 || argc > 4) {
         print_man();
         return 1;
     }
 
     string access_token, login, pass;
 
-    if(argc == 2){
+    if(argc == 2) {
         access_token = argv[1];
-    }
-    else if(argc == 3){
+    } else if(argc == 3) {
         login = argv[1];
         pass = argv[2];
-    }
-    else if(argc == 4){
+    } else if(argc == 4) {
         access_token = argv[1];
         login = argv[2];
         pass = argv[3];
-    }
-    else{
+    } else {
         print_man();
         return 1;
     }
@@ -53,7 +49,7 @@ int main(int argc, char *argv[])
     VK::Client api;
     api.set_fa2_callback(fa2_callback);
     api.set_cap_callback(captcha_callback);
-    if(api.auth(login, pass, access_token)){
+    if(api.auth(login, pass, access_token)) {
         cout << "Auth ok" << endl;
         cout << "Access token: " << api.access_token() << endl;
 
@@ -66,8 +62,7 @@ int main(int argc, char *argv[])
         /* alternative method
         api.call("wall.post", "owner_id=134575353&message=Hello from VK API");
         */
-    }
-    else{
+    } else {
         cout << "Auth fail: " << api.last_error() << endl;
     }