ferma1.cpp: In function 'int main()': ferma1.cpp:37: warning: unused variable 'vec' ferma1.cpp:37: warning: unused variable 'x' ferma1.cpp:37: warning: unused variable 'y' ferma1.cpp:37: warning: unused variable 'xx' ferma1.cpp:37: warning: unused variable 'yy' ferma1.cpp:37: warning: unused variable 'k' ferma1.cpp:37: warning: unused variable 'nr' ferma1.cpp:37: warning: unused variable 'xi' ferma1.cpp:37: warning: unused variable 'yi' ferma1.cpp:38: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result ferma1.cpp:44: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result ferma1.cpp:48: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result ferma1.cpp:37: warning: 'nn' may be used uninitialized in this function ferma1.cpp:37: warning: 'p1' may be used uninitialized in this function ferma1.cpp:37: warning: 'p2' may be used uninitialized in this function