Compilare: user.cpp: In function ‘int main()’: user.cpp:20:21: warning: unused variable ‘t’ [-Wunused-variable] int n, i, j, s, t, d, k, p, r, ma; ^ user.cpp:20:24: warning: unused variable ‘d’ [-Wunused-variable] int n, i, j, s, t, d, k, p, r, ma; ^ user.cpp:20:27: warning: unused variable ‘k’ [-Wunused-variable] int n, i, j, s, t, d, k, p, r, ma; ^ user.cpp: In function ‘bool verificare(int, int)’: user.cpp:73:21: warning: unused variable ‘s’ [-Wunused-variable] int n, m, i, j, s, t, d, k; ^ user.cpp:73:24: warning: unused variable ‘t’ [-Wunused-variable] int n, m, i, j, s, t, d, k; ^ user.cpp:73:27: warning: unused variable ‘d’ [-Wunused-variable] int n, m, i, j, s, t, d, k; ^ user.cpp:73:30: warning: unused variable ‘k’ [-Wunused-variable] int n, m, i, j, s, t, d, k; ^ user.cpp: In function ‘int main()’: user.cpp:17:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("interesant.in","r",stdin); ^ user.cpp:18:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("interesant.out","w",stdout); ^ user.cpp:23:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d\n",&p,&n); ^ user.cpp:25:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",v[i].q); ^ user.cpp:40:27: warning: ‘r’ may be used uninitialized in this function [-Wmaybe-uninitialized] printf("%s",v[r].q); ^