Compilare: main.cpp: In function 'int main()': main.cpp:86:32: warning: unused variable 'n1' [-Wunused-variable] int lin, col, r, lin2, col2, n1, n2; ^~ main.cpp:86:36: warning: unused variable 'n2' [-Wunused-variable] int lin, col, r, lin2, col2, n1, n2; ^~ main.cpp:84:36: 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); ^ main.cpp:85:38: 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); ^ main.cpp:88:65: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n%d %d\n%d %d\n%d ", &cerinta, &m, &n, &xc, &yc, &k); ^ main.cpp:91:39: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d ", &lin, &col, &r); ^ main.cpp:95:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &g); ^ main.cpp:97:52: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d %d ", &lin, &col, &lin2, &col2); ^