praslea.cpp: In function 'int main()': praslea.cpp:8: warning: unused variable 'a' praslea.cpp:8: warning: unused variable 'b' praslea.cpp:8: warning: unused variable 'cresc' praslea.cpp:8: warning: unused variable 'ist' praslea.cpp:8: warning: unused variable 'p' praslea.cpp:12: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result praslea.cpp:17: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result praslea.cpp:20: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result