Compilare: user.cpp: In function ‘void reconstituire(int, int, int, int)’: user.cpp:13:15: warning: unused variable ‘k’ [-Wunused-variable] int i, j, k, cr; ^ user.cpp:13:18: warning: unused variable ‘cr’ [-Wunused-variable] int i, j, k, cr; ^ user.cpp: In function ‘int main()’: user.cpp:54:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen( "compresie.in", "r", stdin ); ^ user.cpp:55:44: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen( "compresie.out", "w", stdout ); ^ user.cpp:59:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf( "%s", s ); ^