Compilare: user.cpp:3: warning: suggest parentheses around ‘+’ inside ‘<<’ user.cpp:3: warning: suggest parentheses around ‘+’ inside ‘<<’ user.cpp:3: warning: suggest parentheses around ‘+’ inside ‘<<’ user.cpp: In function ‘void citire()’: user.cpp:7: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:8: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘int ciclu(int)’: user.cpp:32: warning: operation on ‘p1’ may be undefined user.cpp:37: warning: operation on ‘p1’ may be undefined user.cpp: In function ‘void euler()’: user.cpp:71: warning: operation on ‘p’ may be undefined user.cpp:76: warning: operation on ‘p’ may be undefined user.cpp: In function ‘void afisare()’: user.cpp:101: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp: In function ‘int main()’: user.cpp:116: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result