spioni.cpp: In function 'int main()': spioni.cpp:16: warning: format '%d' expects type 'int*', but argument 2 has type 'long int*' spioni.cpp:21: warning: format '%d' expects type 'int*', but argument 2 has type 'long int*' spioni.cpp:21: warning: format '%s' expects type 'char*', but argument 3 has type 'char (*)[100002]' spioni.cpp:14: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result spioni.cpp:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result spioni.cpp:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result spioni.cpp:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result spioni.cpp:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result