roboti1.cpp: In function 'int main()': roboti1.cpp:43: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result roboti1.cpp:44: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result roboti1.cpp:47: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result roboti1.cpp:48: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result roboti1.cpp:50: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result roboti1.cpp:66: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result roboti1.cpp:68: warning: ignoring return value of 'char* gets(char*)', declared with attribute warn_unused_result roboti1.cpp:45: warning: 'maxl' may be used uninitialized in this function roboti1.cpp:45: warning: 'maxc' may be used uninitialized in this function /tmp/ccxALI3G.o: In function `main': roboti1.cpp:(.text+0x12e): warning: the `gets' function is dangerous and should not be used.