porumb1.cpp: In function 'int main()': porumb1.cpp:8: warning: unused variable 'i' porumb1.cpp:8: warning: unused variable 'j' porumb1.cpp:8: warning: unused variable 'put' porumb1.cpp:9: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result