#include <stdlib.h>
#include <stdio.h>
#include <bits/stdc++.h>
#include "grader.h"
#include "lang.h"
using namespace std;
#define SZ 100
typedef int ll;
ll mod = 1000000007LL;
int tot[56];
unordered_map<ll, int> par[56];
bool f = true;
int totp[56];
double parsq[56];
vector<ll> all[56];
void excerpt(int *E) {
// cout << "A " << endl;
if(f){
for(int j = 0; j<56; j++){
tot[j] = 0;
parsq[j] = 0.0;
totp[j] = 0;
}
f = false;
}
pair<double, int> best = make_pair(655360.0,0);
vector<ll> li4;
for(int i = 0; i<100; i++){
if(i>0){
li4.push_back((655360LL * (ll)E[i-1] + E[i])%mod);
}
}
sort(li4.begin(),li4.end());
vector<pair<ll, int> > li3;
for(int i = 0; i<99; i++){
if(i==0 || li4[i-1]!=li4[i]){
int cnt = 0;
for(int j = i; j<99 && li4[j]==li4[i]; j++){
cnt++;
}
li3.push_back(make_pair(li4[i],cnt));
}
}
// cout << "B " << endl;
bool fir = true;
for(int i = 0; i<56; i++){
if(tot[i]==0){
continue;
}
double now = 0.0;
double now2 = parsq[i];
for(int j = 0; j<li3.size(); j++){
ll pp = li3[j].first;
double f1 = 0.0;
if(par[i].find(pp)!=par[i].end()){
f1 = par[i][pp];
}
f1 /= (double)totp[i];
double f2 = (double)li3[j].second / 99.0;
now2 -= f1 * f1;
now2 += (f1-f2) * (f1-f2);
}
double w1 = 0.5;
double w2 = 10.0;
if(fir){
best = make_pair(now*w1 + now2*w2,i);
fir = false;
}
best = min(best,make_pair(now*w1 + now2*w2,i));
}
// cout << "C " << endl;
int res = language(best.second);
int og = totp[res];
for(int i = 0; i<li3.size(); i++){
if(par[res].find(li3[i].first)==par[res].end()){
par[res][li3[i].first] = 0;
all[res].push_back(li3[i].first);
}
else if(og>0){
double ff = (double)(par[res][li3[i].first]) / (double)og;
parsq[res] -= ff*ff;
}
par[res][li3[i].first] += li3[i].second;
totp[res] += li3[i].second;
}
// cout << "D" << endl;
parsq[res] *= og;
parsq[res] *= og;
parsq[res] /= totp[res];
parsq[res] /= totp[res];
for(int i = 0; i<li3.size(); i++){
double ff = (double)(par[res][li3[i].first]) / (double)totp[res];
parsq[res] += ff*ff;
}
tot[res] += 100;
// cout << "E " << endl;
}
Compilation message
lang.cpp: In function 'void excerpt(int*)':
lang.cpp:53:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int j = 0; j<li3.size(); j++){
~^~~~~~~~~~~
lang.cpp:75:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i = 0; i<li3.size(); i++){
~^~~~~~~~~~~
lang.cpp:92:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i = 0; i<li3.size(); i++){
~^~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2691 ms |
5336 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Partially correct |
2148 ms |
5256 KB |
Output is partially correct - 84.68% |
