Compilare: main.cpp: In function 'int main()': main.cpp:52:21: warning: unused variable 'st' [-Wunused-variable] int i, j, timp, st, dr, retine, cf, lf, pp, xr, xj, yr, yj, minim; ^~ main.cpp:52:25: warning: unused variable 'dr' [-Wunused-variable] int i, j, timp, st, dr, retine, cf, lf, pp, xr, xj, yr, yj, minim; ^~ main.cpp:52:29: warning: unused variable 'retine' [-Wunused-variable] int i, j, timp, st, dr, retine, cf, lf, pp, xr, xj, yr, yj, minim; ^~~~~~ main.cpp:52:45: warning: unused variable 'pp' [-Wunused-variable] int i, j, timp, st, dr, retine, cf, lf, pp, xr, xj, yr, yj, minim; ^~ main.cpp:49:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("rj.in", "r", stdin); ^ main.cpp:50:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("rj.out", "w", stdout); ^ main.cpp:55:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf ("%d%d ", &n, &m); ^ main.cpp:58:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf ("%c", &a[i][j]); ^ main.cpp:59:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf ("%c", &inutil); ^ main.cpp:82:34: warning: 'timp' is used uninitialized in this function [-Wuninitialized] functie (0, timp, xr, yr); ^ main.cpp:83:34: warning: 'yj' may be used uninitialized in this function [-Wmaybe-uninitialized] functie (1, timp, xj, yj); ^ main.cpp:82:34: warning: 'yr' may be used uninitialized in this function [-Wmaybe-uninitialized] functie (0, timp, xr, yr); ^ main.cpp:83:34: warning: 'xj' may be used uninitialized in this function [-Wmaybe-uninitialized] functie (1, timp, xj, yj); ^ main.cpp:82:34: warning: 'xr' may be used uninitialized in this function [-Wmaybe-uninitialized] functie (0, timp, xr, yr); ^