harta2.cpp: In function 'int main()': harta2.cpp:16: warning: unused variable 'ind' harta2.cpp:16: warning: unused variable 'imin' harta2.cpp:16: warning: unused variable 'jmin' harta2.cpp:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result harta2.cpp:14: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result harta2.cpp:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result harta2.cpp:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result harta2.cpp:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result harta2.cpp:50: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result harta2.cpp:16: warning: 'lmax' may be used uninitialized in this function harta2.cpp:16: warning: 'cmax' may be used uninitialized in this function