lacuri.cpp: In function 'int main()': lacuri.cpp:37: warning: format '%d' expects type 'int*', but argument 2 has type 'char*' lacuri.cpp:32: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result lacuri.cpp:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result lacuri.cpp:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result lacuri.cpp:37: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result lacuri.cpp: In function 'int sqrtt(int)': lacuri.cpp:18: warning: 'p' may be used uninitialized in this function lacuri.cpp: In function 'int main()': lacuri.cpp:30: warning: 'nr' may be used uninitialized in this function