colina.cpp: In function 'int main()': colina.cpp:100: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result colina.cpp:103: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result colina.cpp:113: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result colina.cpp: In function 'int cauta1(int)': colina.cpp:133: warning: 'mij' may be used uninitialized in this function colina.cpp: In function 'int cauta2(int)': colina.cpp:155: warning: 'mij' may be used uninitialized in this function