Compilare: user.cpp: In function ‘int rez_ec(int*, int)’: user.cpp:30:9: warning: unused variable ‘h’ [-Wunused-variable] int h = param[nr]; ///// ^ user.cpp: In function ‘int a()’: user.cpp:80:9: warning: unused variable ‘vrg’ [-Wunused-variable] int vrg=0; ^ user.cpp: In function ‘int main()’: user.cpp:121:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("1-apel.in" , "r" , stdin); ^ user.cpp:122:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("apel.out", "w" , stdout); ^ user.cpp:124:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s\n" , ch ); ^ user.cpp:131:28: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(cf,251,stdin); ^ user.cpp:146:28: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(cf,252,stdin); ^