| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 313831 |
2020-10-17T06:56:00 Z |
vivaan_gupta |
Vudu (COCI15_vudu) |
C++14 |
|
675 ms |
65540 KB |
#include <algorithm>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <bitset>
#include <cassert>
#include <chrono>
#include <complex>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <ctime>
#include <deque>
#include <functional>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <limits>
#include <list>
#include <map>
#include <numeric>
#include <queue>
#include <random>
#include <ratio>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>
#include <climits>
#define ll long long
#define ld long double
#define mp make_pair
#define pb push_back
#define in insert
#define vll vector<ll>
#define endl "\n"
#define pll pair<ll,ll>
#define f first
#define s second
#define int ll
#define sz(x) (ll)x.size()
#define all(x) (x.begin(),x.end())
#define FOR(i,a,b) for (int i = (a); i < (b); ++i)
#define ROF(i,a,b) for (int i = (b)-1; i >= (a); --i)
using namespace std;
using namespace __gnu_pbds;
typedef cc_hash_table<ll, ll, hash<ll>> ht;
const ll N =(2e6+5); // TODO : change value as per problem
const ll MOD = 1e9+7;
ht M;
ll cnt = 1;
ll bit[N];
int lol[N];
int lol2[N];
int pre[N];
int a[N];
void upd(int idx){
while(idx <= cnt){
bit[idx]++;
idx += (idx&(-idx));
}
}
ll query(int idx){
ll ans =0;
while(idx >= 1){
ans += bit[idx];
idx -= (idx&(-idx));
}
return ans;
}
void solve() {
// you should actually read the stuff at the bottom
int n;
cin >> n;
FOR(i,1,n+1) cin >> a[i];
int p;
cin >> p;
pre[0] = 0;
FOR(i,1,n+1) pre[i] = pre[i-1] + a[i];
ll ans =0;
vector <ll> gg;
FOR(i,1,n+1){
gg.pb(pre[i] - p*i);
gg.pb(pre[i-1] - p*i + p);
}
sort(gg.begin(),gg.end());
assert(gg.size() == 2*n);
for(auto x:gg){
if(M.find(x) != M.end()) continue;
M[x] = cnt;
cnt++;
}
cnt--;
// // assert(cnt <= 2e6);
// FOR(i,1,n+1) {
// lol[i] = M[pre[i] - p*i];
// lol2[i] = M[pre[i-1] - p*i + p];
// }
// ROF(i,1,n+1){
// upd(lol[i]);
// int tot = n-i+1;
// tot -= query(lol2[i] - 1);
// ans += tot;
// }
// cout << ans << endl;
}
signed main(){
ios_base::sync_with_stdio(0);
cin.tie(NULL);
// freopen(".in","r",stdin);freopen(".out","w",stdout);
ll tt=1;
// cin >> tt;
while(tt--){
solve();
}
}
Compilation message
In file included from /usr/include/c++/9/cassert:44,
from vudu.cpp:5:
vudu.cpp: In function 'void solve()':
vudu.cpp:95:19: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
95 | assert(gg.size() == 2*n);
| ~~~~~~~~~~^~~~~~
vudu.cpp:88:5: warning: unused variable 'ans' [-Wunused-variable]
88 | ll ans =0;
| ^~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
4 ms |
896 KB |
Output isn't correct |
| 2 |
Incorrect |
2 ms |
896 KB |
Output isn't correct |
| 3 |
Incorrect |
2 ms |
896 KB |
Output isn't correct |
| 4 |
Runtime error |
426 ms |
65540 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 5 |
Incorrect |
485 ms |
58560 KB |
Output isn't correct |
| 6 |
Runtime error |
387 ms |
65540 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 7 |
Runtime error |
416 ms |
65540 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 8 |
Incorrect |
675 ms |
65476 KB |
Output isn't correct |
| 9 |
Runtime error |
451 ms |
65540 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
| 10 |
Runtime error |
391 ms |
65540 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
