Compilare: main.cpp: In function 'int main()': main.cpp:56:48: warning: format '%i' expects argument of type 'int*', but argument 2 has type 'short int*' [-Wformat=] scanf("%i %i %i %i", &E.x, &E.y, &D.x, &D.y); ^ main.cpp:56:48: warning: format '%i' expects argument of type 'int*', but argument 3 has type 'short int*' [-Wformat=] main.cpp:56:48: warning: format '%i' expects argument of type 'int*', but argument 4 has type 'short int*' [-Wformat=] main.cpp:56:48: warning: format '%i' expects argument of type 'int*', but argument 5 has type 'short int*' [-Wformat=] main.cpp:59:34: warning: format '%i' expects argument of type 'int*', but argument 2 has type 'short int*' [-Wformat=] scanf("%i %i", &P.x, &P.y); ^ main.cpp:59:34: warning: format '%i' expects argument of type 'int*', but argument 3 has type 'short int*' [-Wformat=] main.cpp:46:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("poarta.in", "r", stdin); ^ main.cpp:47:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("poarta.out", "w", stdout); ^ main.cpp:53:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%i %i %i", &n, &m, &k); ^ main.cpp:56:49: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%i %i %i %i", &E.x, &E.y, &D.x, &D.y); ^ main.cpp:59:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%i %i", &P.x, &P.y); ^