Eroare de compilare: main.cpp:16:13: error: ISO C++ forbids declaration of 'isValid' with no type [-fpermissive] isValid(); ^ main.cpp:18:14: error: ISO C++ forbids declaration of 'validate' with no type [-fpermissive] validate(); ^ main.cpp:19:16: error: ISO C++ forbids declaration of 'devalidate' with no type [-fpermissive] devalidate(); ^ main.cpp: In constructor 'Arc::Arc(int, int)': main.cpp:27:5: error: 'form' was not declared in this scope form=newFrom; ^~~~ main.cpp: At global scope: main.cpp:32:6: error: prototype for 'char Arc::isValid()' does not match any in class 'Arc' char Arc::isValid() { ^~~ main.cpp:16:5: error: candidate is: int Arc::isValid() isValid(); ^~~~~~~ main.cpp:36:15: error: no 'void Arc::use()' member function declared in class 'Arc' void Arc::use() { ^ main.cpp:40:17: error: no 'void Arc::unuse()' member function declared in class 'Arc' void Arc::unuse() { ^ main.cpp:45:1: error: 'Vector' does not name a type Vector <int> Graph[verticesMax]; ^~~~~~ main.cpp: In function 'char read()': main.cpp:54:9: error: 'i' was not declared in this scope for(i=0;i<arcsL;++i) { ^ main.cpp:57:9: error: 'Graph' was not declared in this scope Graph[x].push(i); ^~~~~ main.cpp:64:9: error: 'i' was not declared in this scope for(i=0;i<verticesL;++i) { ^ main.cpp: In function 'void fillStack(std::stack<int>&, int)': main.cpp:76:23: error: expected unqualified-id before ';' token for(nextPos=S.;;) ^ main.cpp:77:5: error: expected primary-expression before '}' token } ^ main.cpp:73:9: warning: unused variable 'i' [-Wunused-variable] int i,topPos,nextPos; ^ main.cpp: In function 'char read()': Non zero exit status: 1