parc1.cpp: In function 'int main()': parc1.cpp:125: warning: comparison between signed and unsigned integer expressions parc1.cpp:155: warning: comparison between signed and unsigned integer expressions parc1.cpp:163: warning: comparison between signed and unsigned integer expressions parc1.cpp:164: warning: comparison between signed and unsigned integer expressions parc1.cpp:44: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result parc1.cpp:45: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result parc1.cpp:51: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result parc1.cpp:70: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result parc1.cpp:74: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result parc1.cpp:77: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result