Compilare: user.cpp: In function ‘int main()’: user.cpp:23:25: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘short int*’ [-Wformat=] scanf("%d%d\n",&n,&m); ^ user.cpp:23:25: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘short int*’ [-Wformat=] user.cpp:21:35: warning: unused variable ‘lastci’ [-Wunused-variable] short int lasti=ZID,lastj=ZID,lastci=ZID,lastcj=ZID,s=0,sc=0; ^ user.cpp:21:46: warning: unused variable ‘lastcj’ [-Wunused-variable] short int lasti=ZID,lastj=ZID,lastci=ZID,lastcj=ZID,s=0,sc=0; ^ user.cpp:21:61: warning: unused variable ‘sc’ [-Wunused-variable] short int lasti=ZID,lastj=ZID,lastci=ZID,lastcj=ZID,s=0,sc=0; ^ user.cpp:18:16: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen(IN); ^ user.cpp:19:17: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen(OUT); ^ user.cpp:23:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d\n",&n,&m); ^ user.cpp:26:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%c",&ch); ^ user.cpp:31:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("\n"); ^