chibrituri.cpp: In function 'int main()': chibrituri.cpp:15: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result chibrituri.cpp:11: warning: 'h1min' may be used uninitialized in this function chibrituri.cpp:11: warning: 'h2min' may be used uninitialized in this function chibrituri.cpp:11: warning: 'm1min' may be used uninitialized in this function chibrituri.cpp:11: warning: 'm2min' may be used uninitialized in this function chibrituri.cpp:12: warning: 'h1max' may be used uninitialized in this function chibrituri.cpp:12: warning: 'h2max' may be used uninitialized in this function chibrituri.cpp:12: warning: 'm1max' may be used uninitialized in this function chibrituri.cpp:12: warning: 'm2max' may be used uninitialized in this function