Submission #255557

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
255557	2020-08-01 08:26:38	Vladikus004	Zamjene (COCI16_zamjene)	C++14	126 / 140	6094 ms	172148 KiB

zamjene

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#include <bits/stdc++.h>
#define inf 2e9
#define all(v) v.begin(), v.end()
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair <int, int> pii;
mt19937_64 rnd(time(0));
const int N = 1000000 + 3;
int n, q, sz[N], a[N], b[N], p[N], cnt, ans3;
ll sum[N], nsum[N], ans;
map <ll, int> mp;
map <int, ll> code;
void init(){
    for (int i = 0; i < N; i++)
        code[i] = rnd();
    for (int i = 0; i < n; i++){
        p[i] = i;
        sz[i] = 1;
        sum[i] = code[a[i]];
        nsum[i] = code[b[i]];
        if (sum[i] != nsum[i]){
            ans += mp[nsum[i] - sum[i]];
            mp[sum[i] - nsum[i]]++;
        }else ans3++;
    }
}
 
 
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• Subtask 2: 14 / 14
• Subtask 3: 14 / 14
• Subtask 4: 14 / 14
• Subtask 5: 14 / 14
• Subtask 6: 14 / 14
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• Subtask 10: 14 / 14