Compilare: main.cpp:7:1: warning: 'typedef' was ignored in this declaration typedef struct coada ^~~~~~~ main.cpp: In function 'void read()': main.cpp:27:34: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'short int*' [-Wformat=] scanf("%d ", &a[i][j]); ^ main.cpp:21:61: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d %d %d %d\n", &n, &m, &xi, &yi, &xf, &yf); ^ main.cpp:27:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d ", &a[i][j]); ^ main.cpp:31:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("\n"); ^ main.cpp: In function 'int main()': main.cpp:118:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("padure.in", "r", stdin); ^ main.cpp:119:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("padure.out", "w", stdout); ^