fancyfence.cpp:1:26: warning: extra tokens at end of #include directive
1 | # include <bits/stdc++.h># define ll long long# define ld long double# define fi first# define se second# define pll pair<ll, ll># define pdd pair<ld, ld># define pii pair<int, int>using namespace std; const ll MOD = 1e9 + 7; int par[100001];ll sz[100001], ans[100001]; ll C2(int a) { ll v = a * (a + 1ll) / 2ll; v %= MOD; return v;} int find(int a) { if(a == par[a]) return a; par[a] = find(par[a]); return par[a];} void merge(int a, int b, ll c) { a = find(a); b = find(b); if(a == b) return; ans[a] += ans[b]; ans[a] %= MOD; ll G = C2(c) * (C2(sz[a]) + C2(sz[b])); G %= MOD;
| ^
fancyfence.cpp:1:2: error: 'par' does not name a type
1 | # include <bits/stdc++.h># define ll long long# define ld long double# define fi first# define se second# define pll pair<ll, ll># define pdd pair<ld, ld># define pii pair<int, int>using namespace std; const ll MOD = 1e9 + 7; int par[100001];ll sz[100001], ans[100001]; ll C2(int a) { ll v = a * (a + 1ll) / 2ll; v %= MOD; return v;} int find(int a) { if(a == par[a]) return a; par[a] = find(par[a]); return par[a];} void merge(int a, int b, ll c) { a = find(a); b = find(b); if(a == b) return; ans[a] += ans[b]; ans[a] %= MOD; ll G = C2(c) * (C2(sz[a]) + C2(sz[b])); G %= MOD;
| ^~~
fancyfence.cpp:2:2: error: 'sz' does not name a type
2 | par[b] = a;
| ^~
fancyfence.cpp:3:2: error: 'sz' does not name a type
3 | sz[a] += sz[b];
| ^~
fancyfence.cpp:4:2: error: 'ans' does not name a type; did you mean 'abs'?
4 | sz[a] %= MOD;
| ^~~
| abs
fancyfence.cpp:5:2: error: 'ans' does not name a type; did you mean 'abs'?
5 | ans[a] -= G;
| ^~~
| abs
fancyfence.cpp:7:2: error: 'G' does not name a type
7 |
| ^
fancyfence.cpp:8:2: error: 'G' does not name a type
8 | G = C2(c) * (C2(sz[a]));
| ^
fancyfence.cpp:10:2: error: 'ans' does not name a type; did you mean 'abs'?
10 |
| ^
| abs
fancyfence.cpp:11:2: error: 'ans' does not name a type; did you mean 'abs'?
11 | ans[a] += G;
| ^~~
| abs
fancyfence.cpp:12:1: error: expected declaration before '}' token
12 | ans[a] %= MOD;
| ^
fancyfence.cpp: In function 'int main()':
fancyfence.cpp:19:2: error: 'vector' was not declared in this scope; did you mean 'std::vector'?
19 | scanf("%d", &N);
| ^~~~~~
| 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 fancyfence.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:389:11: note: 'std::vector' declared here
389 | class vector : protected _Vector_base<_Tp, _Alloc>
| ^~~~~~
fancyfence.cpp:19:9: error: 'pair' was not declared in this scope; did you mean 'std::pair'?
19 | scanf("%d", &N);
| ^~~~
| std::pair
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
from /usr/include/c++/10/bits/char_traits.h:39,
from /usr/include/c++/10/ios:40,
from /usr/include/c++/10/istream:38,
from /usr/include/c++/10/sstream:38,
from /usr/include/c++/10/complex:45,
from /usr/include/c++/10/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
from fancyfence.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:211:12: note: 'std::pair' declared here
211 | struct pair
| ^~~~
fancyfence.cpp:19:14: error: 'pii' was not declared in this scope
19 | scanf("%d", &N);
| ^~~
fancyfence.cpp:19:19: error: expected primary-expression before 'int'
19 | scanf("%d", &N);
| ^
fancyfence.cpp:21:3: error: 'par' was not declared in this scope
21 | for(int i=0;i<N;i++) {
| ^~~
fancyfence.cpp:22:16: error: 'arr' was not declared in this scope
22 | par[i] = i;
| ^
fancyfence.cpp:25:16: error: 'arr' was not declared in this scope
25 | for(int i=0;i<N;i++) {
| ^~~
fancyfence.cpp:26:3: error: 'ans' was not declared in this scope; did you mean 'abs'?
26 | scanf("%d", &arr[i].fi.se);
| ^~~
| abs
fancyfence.cpp:26:12: error: 'C2' was not declared in this scope
26 | scanf("%d", &arr[i].fi.se);
| ^~
fancyfence.cpp:27:3: error: 'sz' was not declared in this scope
27 | ans[i] = C2(arr[i].fi.fi) * C2(arr[i].fi.se);
| ^~
fancyfence.cpp:28:13: error: 'MOD' was not declared in this scope
28 | sz[i] = arr[i].fi.se;
| ^~~
fancyfence.cpp:31:7: error: 'arr' was not declared in this scope
31 | }
| ^
fancyfence.cpp:31:2: error: 'sort' was not declared in this scope; did you mean 'std::sort'?
31 | }
| ^
| std::sort
In file included from /usr/include/c++/10/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from fancyfence.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:4880:5: note: 'std::sort' declared here
4880 | sort(_RandomAccessIterator __first, _RandomAccessIterator __last,
| ^~~~
fancyfence.cpp:35:31: error: 'merge' was not declared in this scope; did you mean 'std::merge'?
35 | vis[idx] = 1;
| ^
| std::merge
In file included from /usr/include/c++/10/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from fancyfence.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:4995:5: note: 'std::merge' declared here
4995 | merge(_InputIterator1 __first1, _InputIterator1 __last1,
| ^~~~~
fancyfence.cpp:36:35: error: 'merge' was not declared in this scope; did you mean 'std::merge'?
36 | if(idx > 0 && vis[idx - 1]) merge(idx - 1, idx, arr[i].fi.fi);
| ^~~~~
| std::merge
In file included from /usr/include/c++/10/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from fancyfence.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:4995:5: note: 'std::merge' declared here
4995 | merge(_InputIterator1 __first1, _InputIterator1 __last1,
| ^~~~~
fancyfence.cpp:38:5: error: 'ans' was not declared in this scope; did you mean 'abs'?
38 | }
| ^
| abs
fancyfence.cpp:38:9: error: 'find' was not declared in this scope; did you mean 'std::find'?
38 | }
| ^
| std::find
In file included from /usr/include/c++/10/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from fancyfence.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3894:5: note: 'std::find' declared here
3894 | find(_InputIterator __first, _InputIterator __last,
| ^~~~
fancyfence.cpp:38:39: error: 'MOD' was not declared in this scope
38 | }
| ^
fancyfence.cpp:39:19: error: 'ans' was not declared in this scope; did you mean 'abs'?
39 | if(ans[find(0)] < 0) ans[find(0)] += MOD;
| ^~~
| abs
fancyfence.cpp:39:23: error: 'find' was not declared in this scope; did you mean 'std::find'?
39 | if(ans[find(0)] < 0) ans[find(0)] += MOD;
| ^~~~
| std::find
In file included from /usr/include/c++/10/algorithm:62,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
from fancyfence.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3894:5: note: 'std::find' declared here
3894 | find(_InputIterator __first, _InputIterator __last,
| ^~~~
fancyfence.cpp:18:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
18 | int N;
| ~~~~~^