Compilare: user.cpp: In function ‘int main()’: user.cpp:17:27: warning: unused variable ‘k’ [-Wunused-variable] int n, i, j, s, t, d, k, ma; ^ user.cpp:14:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("grozavesti.in","r",stdin); ^ user.cpp:15:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("grozavesti.out","w",stdout); ^ user.cpp:19:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:22:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i][j]); ^ user.cpp:43:19: warning: array subscript is above array bounds [-Warray-bounds] r[t][2] = d; ^ user.cpp:52:43: warning: array subscript is above array bounds [-Warray-bounds] printf("C %d %d\n",r[i][1],r[i][2]); ^ user.cpp:53:43: warning: array subscript is above array bounds [-Warray-bounds] printf("L %d %d\n",r[i][1],r[i][2]); ^