Compilare: user.cpp: In function ‘int main()’: user.cpp:109:35: warning: array subscript has type ‘char’ [-Wchar-subscripts] printf("%i %i\n", nodeC[nd].x, nodeC[nd].y); ^ user.cpp:109:48: warning: array subscript has type ‘char’ [-Wchar-subscripts] printf("%i %i\n", nodeC[nd].x, nodeC[nd].y); ^ user.cpp:115:39: warning: array subscript has type ‘char’ [-Wchar-subscripts] printf("%i %i\n", nodeC[nd].x, nodeC[nd].y); ^ user.cpp:115:52: warning: array subscript has type ‘char’ [-Wchar-subscripts] printf("%i %i\n", nodeC[nd].x, nodeC[nd].y); ^ user.cpp: In function ‘pct lee()’: user.cpp:61:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:75:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cartite.in", "r", stdin); ^ user.cpp:76:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cartite.out", "w", stdout); ^ user.cpp:81:63: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%i %i %i %i %i %i", &p, &M, &N, &act.x, &act.y, &K); ^ user.cpp:84:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%i %i %i", &x, &y, &r); ^ user.cpp:89:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%i", &G); ^ user.cpp:92:45: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%i %i %i %i", &x, &y, &z, &t); ^