decoder.cpp: In function 'void decode(int, int, int*)':
decoder.cpp:4:53: error: 'vector' was not declared in this scope; did you mean 'std::vector'?
4 | void decode(int N, int L, int X[]){ int i, b,val; vector<int>v(N,1); for(i=0; i<L; i++) { b = X[i]; if(b<=N) v[b-1]=0; } for(auto k:v) { output(k); }}
| ^~~~~~
| std::vector
In file included from /usr/include/c++/10/vector:67,
from /usr/include/c++/10/queue:61,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:86,
from decoder.cpp:3:
/usr/include/c++/10/bits/stl_vector.h:389:11: note: 'std::vector' declared here
389 | class vector : protected _Vector_base<_Tp, _Alloc>
| ^~~~~~
decoder.cpp:4:60: error: expected primary-expression before 'int'
4 | void decode(int N, int L, int X[]){ int i, b,val; vector<int>v(N,1); for(i=0; i<L; i++) { b = X[i]; if(b<=N) v[b-1]=0; } for(auto k:v) { output(k); }}
| ^~~
decoder.cpp:4:122: error: 'v' was not declared in this scope
4 | void decode(int N, int L, int X[]){ int i, b,val; vector<int>v(N,1); for(i=0; i<L; i++) { b = X[i]; if(b<=N) v[b-1]=0; } for(auto k:v) { output(k); }}
| ^
decoder.cpp:4:147: error: 'v' was not declared in this scope
4 | void decode(int N, int L, int X[]){ int i, b,val; vector<int>v(N,1); for(i=0; i<L; i++) { b = X[i]; if(b<=N) v[b-1]=0; } for(auto k:v) { output(k); }}
| ^
decoder.cpp:4:47: warning: unused variable 'val' [-Wunused-variable]
4 | void decode(int N, int L, int X[]){ int i, b,val; vector<int>v(N,1); for(i=0; i<L; i++) { b = X[i]; if(b<=N) v[b-1]=0; } for(auto k:v) { output(k); }}
| ^~~