chibrituri.cpp:2: warning: ISO C++ forbids declaration of 'main' with no type chibrituri.cpp: In function 'int main()': chibrituri.cpp:7: warning: unused variable 'min' chibrituri.cpp:7: warning: unused variable 'max' chibrituri.cpp:9: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result chibrituri.cpp:7: warning: 'a' may be used uninitialized in this function chibrituri.cpp:7: warning: 'b' may be used uninitialized in this function chibrituri.cpp:7: warning: 'c' may be used uninitialized in this function chibrituri.cpp:7: warning: 'd' may be used uninitialized in this function chibrituri.cpp:7: warning: 'e' may be used uninitialized in this function chibrituri.cpp:7: warning: 'f' may be used uninitialized in this function chibrituri.cpp:7: warning: 'g' may be used uninitialized in this function chibrituri.cpp:7: warning: 'h' may be used uninitialized in this function