testament.cpp: In function 'int main()': testament.cpp:67: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result testament.cpp:68: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result testament.cpp:70: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result testament.cpp:72: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result