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class mycls {int a,b;public:mycls(int m, int n) {a=m; b=n;}friend int Fn(mycls ob);};int Fn(mycls ob){mycls=temp;temp.a=temp.a*temp.a;temp.b=temp.b*temp.b;return temp;}int main(){mycls ob1(10,13), ob2(0,0);ob2=Fn(ob1);return 0;}/*---------------------*/ class mycls {int a,b;public:mycls(int m, int n) {a=m; b=n;}friend int Fn(mycls ob);};int Fn(mycls ob){return a+b;}int main(){mycls ob1(10,15);int res;res=Fn(ob1);return 0;}/*---------------------*/ class mycls {int a,b;public:void set(inti, int j) {a=i; b=j;}void show(){cout<<a<<' '<<b<<main() void};{ mycls ob1, ob2;ob1.set(10,5);ob2.set(10,3);if (ob1=ob2) cout<<"er";else {ob1.show(); ob2.show();}}/*---------------------*/ class mycls {int a,b;public:mycls(int m, int n) {a=m; b=n;}friend mycls Fn(mycls ob);};mycls &Fn(mycls ob) {a=a*a;b=b*b;return this;}int main(){mycls ob1(10,15), ob2(0,0);ob2=Fn(ob1);return 0;};/*---------------------*/ class my_cls{ int x;public:my_cls(int n){x=n;}void set_x(int n) {x=n;}int get_x(){return x;}};void cube (my_cls &object){object.set_x(pow(object.get_x(),3))cout<<object.get_x()<<endl;}int main(){my_cls.ob(10);cube(ob);cout<<ob.get_x()<<endl;return 0;}/*---------------------*/ class mycls {public:int a,b;mycls(int m, int n) {a=m; b=n;}friend int Fn(mycls ob){return ob.a+ob.b;};int main(){mycls ob1(10,15);int res;res=Fn(ob1);return 0;}/*---------------------*/ class MyCLs {int x;public:MyCLs(){x=0;}int get_x(){return x;}};void main(){MyCLs*obPtr;MyCLs ob_arr[10]={1,2,3,4,5,6,7,8,9,10};obPtr=new MyCLs[10];for (int i=0;i<10;i++) cout<<ob_arr.get_x()<<' ';for (int i=0;i<10;i++){obPtr=i;cout<<OBPTR.GET_X();}}/*---------------------*/ class MyCls{int a,b;public:void set(int i;int j){a=i; b=j;}void show(){cout<<a<<' '<<b<<endl;}};class YourCls {int a,b;public:void set(int i,int j){a=i; b=j;}void show(){cout<<a<<' '<<B<< main() void };> {MyCls ob1;YourCls ob2;ob1.set(10,5);ob2=ob1;ob1.show();ob2.show();}765.cpp: In function ‘int Fn(mycls)’:765.cpp:8: error: expected unqualified-id before ‘=’ token765.cpp:9: error: ‘temp’ was not declared in this scope765.cpp: In function ‘int main()’:765.cpp:15: error: no match for ‘operator=’ in ‘ob2 = Fn(ob1)’765.cpp:1: note: candidates are: mycls& mycls::operator=(const mycls&)765.cpp: At global scope:765.cpp:23: error: redefinition of ‘class mycls’765.cpp:1: error: previous definition of ‘class mycls’765.cpp: In function ‘int Fn(mycls)’:765.cpp:28: error: redefinition of ‘int Fn(mycls)’765.cpp:6: error: ‘int Fn(mycls)’ previously defined here765.cpp:28: error: ‘a’ was not declared in this scope765.cpp:28: error: ‘b’ was not declared in this scope765.cpp: In function ‘int main()’:765.cpp:30: error: redefinition of ‘int main()’765.cpp:13: error: ‘int main()’ previously defined here765.cpp: At global scope:765.cpp:42: error: redefinition of ‘class mycls’765.cpp:1: error: previous definition of ‘class mycls’765.cpp:152: error: expected unqualified-id at end of input/*-----------------------*/class NAME {}; //в конце класса должна стоять точка с запятой44 строка - int i было написанно слитно.Сверху выдача ошибок компилятора. смотрите четко по ней.