Compilare: user.cpp: In function ‘int main()’: user.cpp:11:5: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation] for(i = 1; i <=n; i++) ^~~ user.cpp:13:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the ‘for’ l[1][0] = 1; ^ user.cpp:42:15: warning: statement has no effect [-Wunused-value] for(in; in < fi; in++) ^ user.cpp:9:12: warning: unused variable ‘m’ [-Wunused-variable] int n, m, i, j, k, lmax = 1, in, fi, mid, pos; ^ user.cpp:9:18: warning: unused variable ‘j’ [-Wunused-variable] int n, m, i, j, k, lmax = 1, in, fi, mid, pos; ^ user.cpp:7:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("subsir.in", "r", stdin); ^ user.cpp:8:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("subsir.out", "w", stdout); ^ user.cpp:10:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:12:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", v+i); ^