# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
243542 |
2020-07-01T09:57:02 Z |
VEGAnn |
Zoltan (COCI16_zoltan) |
C++14 |
|
0 ms |
0 KB |
#include <bits/stdc++.h>
#define all(x) x.begin(),x.end()
#define sz(x) ((int)x.size())
#define i2 array<int,2>
#define PB push_back
using namespace std;
typedef long long ll;
const int N = 200100;
const int oo = 2e9;
const int md = int(1e9) + 7;
i2 ans, st[2][N];
vector<int> vc;
int n, a[N], po[N];
int mult(int x, int y) { return (1ll * x * y) % md; }
void SUM(int &x, int y){
x += y;
if (x >= md)
x -= md;
}
void upd(i2 &cr, i2 nw){
if (nw[0] > cr[0])
cr = nw; else
if (nw[0] == cr[0]){
SUM(cr[1], nw[1]);
}
}
i2 get(int tp, int v){
i2 res = {0, 0};
for (; v >= 0; v = (v & (v + 1)) - 1)
upd(res, st[tp][v]);
return res;
}
void update(int tp, int v, i2 vl){
for (; v < sz(vc); v = (v | (v + 1)))
upd(st[tp][v], vl);
}
int main(){
ios_base::sync_with_stdio(0); cin.tie(0);
#ifdef _LOCAL
freopen("in.txt","r",stdin);
#endif // _LOCAL
cin >> n;
for (int i = 0; i < n; i++) {
cin >> a[i];
vc.PB(a[i]);
}
sort(all(vc));
vc.resize(unique(all(vc)) - vc.begin());
for (int i = 0; i < n; i++)
a[i] = lower_bound(all(vc), a[i]) - vc.begin();
po[0] = 1;
for (int i = 1; i <= n; i++) {
po[i] = po[i - 1];
SUM(po[i], po[i - 1]);
}
for (int i = n - 1; i >= 0; i--){
i2 men = get(0, a[i] - 1);
i2 mex = get(1, sz(vc) - a[i] - 2);
if (men[0] == 0)
men[1] = 1;
if (mex[0] == 0)
mex[1] = 1;
int len = men[0] + mex[0] + 1;
int inv = (n - i) - len;
i2 cur = {len, (ll(po[i + inv]) * ll(mex[1]) * ll(men[1])) % md;};
upd(ans, cur);
men[0]++;
mex[0]++;
update(0, a[i], men);
update(1, sz(vc) - 1 - a[i], mex);
}
cout << ans[0] << " " << ans[1];
return 0;
}
Compilation message
zoltan.cpp: In function 'int main()':
zoltan.cpp:85:72: error: expected '}' before ';' token
i2 cur = {len, (ll(po[i + inv]) * ll(mex[1]) * ll(men[1])) % md;};
^
zoltan.cpp:85:68: warning: narrowing conversion of '(((((ll)po[(i + inv)]) * ((ll)mex.std::array<int, 2>::operator[](1))) * ((ll)men.std::array<int, 2>::operator[](1))) % 1000000007)' from 'll {aka long long int}' to 'int' inside { } [-Wnarrowing]
i2 cur = {len, (ll(po[i + inv]) * ll(mex[1]) * ll(men[1])) % md;};
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
zoltan.cpp:85:12: warning: unused variable 'cur' [-Wunused-variable]
i2 cur = {len, (ll(po[i + inv]) * ll(mex[1]) * ll(men[1])) % md;};
^~~
zoltan.cpp:87:18: error: 'cur' was not declared in this scope
upd(ans, cur);
^~~
zoltan.cpp:89:9: error: 'men' was not declared in this scope
men[0]++;
^~~
zoltan.cpp:89:9: note: suggested alternative: 'main'
men[0]++;
^~~
main
zoltan.cpp:90:9: error: 'mex' was not declared in this scope
mex[0]++;
^~~
zoltan.cpp:92:21: error: 'i' was not declared in this scope
update(0, a[i], men);
^
zoltan.cpp: At global scope:
zoltan.cpp:96:5: error: 'cout' does not name a type; did you mean 'cosl'?
cout << ans[0] << " " << ans[1];
^~~~
cosl
zoltan.cpp:98:5: error: expected unqualified-id before 'return'
return 0;
^~~~~~
zoltan.cpp:99:1: error: expected declaration before '}' token
}
^