Task: | Establish equality |
Sender: | AleksandrPolitov |
Submission time: | 2024-09-09 17:23:24 +0300 |
Language: | C++ (C++20) |
Status: | READY |
Result: | WRONG ANSWER |
test | verdict | time | |
---|---|---|---|
#1 | ACCEPTED | 0.00 s | details |
#2 | ACCEPTED | 0.00 s | details |
#3 | ACCEPTED | 0.00 s | details |
#4 | ACCEPTED | 0.00 s | details |
#5 | ACCEPTED | 0.00 s | details |
#6 | ACCEPTED | 0.00 s | details |
#7 | WRONG ANSWER | 0.00 s | details |
#8 | ACCEPTED | 0.00 s | details |
#9 | ACCEPTED | 0.00 s | details |
#10 | ACCEPTED | 0.00 s | details |
#11 | ACCEPTED | 0.00 s | details |
#12 | ACCEPTED | 0.00 s | details |
#13 | WRONG ANSWER | 0.00 s | details |
#14 | ACCEPTED | 0.00 s | details |
#15 | ACCEPTED | 0.00 s | details |
#16 | ACCEPTED | 0.00 s | details |
#17 | ACCEPTED | 0.00 s | details |
#18 | ACCEPTED | 0.00 s | details |
#19 | WRONG ANSWER | 0.00 s | details |
#20 | WRONG ANSWER | 0.00 s | details |
#21 | ACCEPTED | 0.00 s | details |
#22 | ACCEPTED | 0.00 s | details |
#23 | ACCEPTED | 0.00 s | details |
#24 | ACCEPTED | 0.00 s | details |
#25 | WRONG ANSWER | 0.00 s | details |
#26 | ACCEPTED | 0.00 s | details |
#27 | ACCEPTED | 0.00 s | details |
#28 | WRONG ANSWER | 0.00 s | details |
#29 | ACCEPTED | 0.00 s | details |
#30 | ACCEPTED | 0.00 s | details |
#31 | ACCEPTED | 0.01 s | details |
#32 | ACCEPTED | 0.01 s | details |
#33 | WRONG ANSWER | 0.01 s | details |
#34 | WRONG ANSWER | 0.01 s | details |
#35 | WRONG ANSWER | 0.01 s | details |
#36 | ACCEPTED | 0.04 s | details |
#37 | ACCEPTED | 0.04 s | details |
#38 | WRONG ANSWER | 0.04 s | details |
#39 | WRONG ANSWER | 0.04 s | details |
#40 | ACCEPTED | 0.04 s | details |
#41 | WRONG ANSWER | 0.23 s | details |
#42 | ACCEPTED | 0.55 s | details |
#43 | ACCEPTED | 0.90 s | details |
#44 | TIME LIMIT EXCEEDED | -- | details |
#45 | TIME LIMIT EXCEEDED | -- | details |
#46 | TIME LIMIT EXCEEDED | -- | details |
#47 | TIME LIMIT EXCEEDED | -- | details |
#48 | TIME LIMIT EXCEEDED | -- | details |
#49 | TIME LIMIT EXCEEDED | -- | details |
#50 | TIME LIMIT EXCEEDED | -- | details |
#51 | TIME LIMIT EXCEEDED | -- | details |
#52 | TIME LIMIT EXCEEDED | -- | details |
#53 | TIME LIMIT EXCEEDED | -- | details |
#54 | TIME LIMIT EXCEEDED | -- | details |
#55 | TIME LIMIT EXCEEDED | -- | details |
Compiler report
input/code.cpp: In function 'bool can(ll)': input/code.cpp:95:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 95 | for (int i = 0; i < v.size(); i++) { | ~~^~~~~~~~~~
Code
#ifdef ONPC #define _GLIBCXX_DEBUG #endif #include <bits/stdc++.h> #define char unsigned char #define rep(i, a, b) for(int i=a; i< (b); ++i) #define all(x) begin(x), end(x) #define sz(x) (int)(x).size() #define eb emplace_back #define mp make_pair #define mt make_tuple #define fi first #define se second #define pb push_back #define LSOne(S) ((S) & -(S)) using namespace std; // mt19937 rnd(239); mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count()); typedef long long C; typedef complex<C> P; #define X real() #define Y imag() template<class T> istream& operator>> (istream& is, complex<T>& p) { T value; is >> value; p.real(value); is >> value; p.imag(value); return is; } typedef long long ll; typedef long double ld; using pi = pair<ll, ll>; using vi = vector<ll>; template <class T> using pq = priority_queue<T>; template <class T> using pqg = priority_queue<T, vector<T>, greater<T>>; int popcnt(int x) { return __builtin_popcount(x); } int popcnt(ll x) { return __builtin_popcountll(x); } #define MIN(v) *min_element(all(v)) #define MAX(v) *max_element(all(v)) #define LB(c, x) distance((c).begin(), lower_bound(all(c), (x))) #define UB(c, x) distance((c).begin(), upper_bound(all(c), (x))) void __print(int x) {cerr << x;} void __print(long x) {cerr << x;} void __print(long long x) {cerr << x;} void __print(unsigned x) {cerr << x;} void __print(unsigned long x) {cerr << x;} void __print(unsigned long long x) {cerr << x;} void __print(float x) {cerr << x;} void __print(double x) {cerr << x;} void __print(long double x) {cerr << x;} void __print(char x) {cerr << '\'' << x << '\'';} void __print(const char *x) {cerr << '\"' << x << '\"';} void __print(const string &x) {cerr << '\"' << x << '\"';} void __print(bool x) {cerr << (x ? "true" : "false");} template<typename T, typename V> void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ", "; __print(x.second); cerr << '}';} template<typename T> void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? ", " : ""), __print(i); cerr << "}";} void _print() {cerr << "]\n";} template <typename T, typename... V> void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);} #ifdef DEBUG #define dbg(x...) cerr << "\e[91m"<<__func__<<":"<<__LINE__<<" [" << #x << "] = ["; _print(x); cerr << "\e[39m" << endl; #else #define dbg(x...) #endif template<typename S, typename T = S> void chmin(S &s, T t) {s = s < t ? s : t;} template<typename S, typename T = S> void chmax(S &s, T t) {s = s > t ? s : t;} const int INF = 1e9; // 10^9 = 1B is < 2^31-1 const ll LLINF = 4e18; // 4*10^18 is < 2^63-1 const double EPS = 1e-9; const ll MOD = 1e9+7; vector<ll> v; bool can(ll x) { multiset<ll> st; for (int i = 0; i < v.size(); i++) { st.insert(v[i]); } while(*st.begin()<x) { ll low=*st.begin(); ll big=*st.rbegin(); if(low+(big-x)/2>=x && big-2*(big-x)/2>=x) { ll k=(x-low); st.erase(st.find(low)); st.erase(st.find(big)); big-=2*k; low+=k; st.insert(low); st.insert(big); } else { ll k=(big-x-1)/2; if(k>0) { st.erase(st.find(low)); st.erase(st.find(big)); low+=k; big-=2*k; st.insert(low); st.insert(big); //std::cout << "to " << low << " " << big << std::endl; } else { break; } } //std::cout << std::endl; //__print(st); //std::cout << std::endl; } //__print(st); return *st.begin()>=x; } int solve() { int n; std::cin >> n; v.resize(n); for (int i = 0; i < n; i++) std::cin >> v[i]; ll lo=0, hi=LLINF; while(lo<hi) { ll mid=(lo+hi+1)/2; if(can(mid)) { lo=mid; } else { hi=mid-1; } } std::cout << lo << std::endl; return 0; } int32_t main() { ios::sync_with_stdio(0); cin.tie(0); int TET = 1; //cin >> TET; for (int i = 1; i <= TET; i++) { #ifdef ONPC cout << "TEST CASE#" << i << endl; #endif if (solve()) { break; } #ifdef ONPC cout << "__________________________" << endl; #endif } #ifdef ONPC cerr << endl << "finished in " << clock() * 1.0 / CLOCKS_PER_SEC << " sec" << endl; #endif }
Test details
Test 1
Verdict: ACCEPTED
input |
---|
1 4 |
correct output |
---|
4 |
user output |
---|
4 |
Test 2
Verdict: ACCEPTED
input |
---|
2 4 2 |
correct output |
---|
2 |
user output |
---|
2 |
Test 3
Verdict: ACCEPTED
input |
---|
2 6 0 |
correct output |
---|
2 |
user output |
---|
2 |
Test 4
Verdict: ACCEPTED
input |
---|
3 10 9 6 |
correct output |
---|
7 |
user output |
---|
7 |
Test 5
Verdict: ACCEPTED
input |
---|
6 2 0 9 9 2 4 |
correct output |
---|
3 |
user output |
---|
3 |
Test 6
Verdict: ACCEPTED
input |
---|
10 4 10 7 10 0 1 3 10 1 2 |
correct output |
---|
3 |
user output |
---|
3 |
Test 7
Verdict: WRONG ANSWER
input |
---|
10 4 2 0 10 6 10 4 5 4 3 |
correct output |
---|
4 |
user output |
---|
3 |
Test 8
Verdict: ACCEPTED
input |
---|
10 6 0 7 9 3 1 5 6 9 4 |
correct output |
---|
3 |
user output |
---|
3 |
Test 9
Verdict: ACCEPTED
input |
---|
10 10 9 6 1 10 9 7 6 7 6 |
correct output |
---|
6 |
user output |
---|
6 |
Test 10
Verdict: ACCEPTED
input |
---|
10 2 0 9 9 2 4 10 10 5 0 |
correct output |
---|
3 |
user output |
---|
3 |
Test 11
Verdict: ACCEPTED
input |
---|
10 1 0 0 7 5 2 7 10 4 1 |
correct output |
---|
2 |
user output |
---|
2 |
Test 12
Verdict: ACCEPTED
input |
---|
10 1 4 8 9 2 0 5 7 0 3 |
correct output |
---|
2 |
user output |
---|
2 |
Test 13
Verdict: WRONG ANSWER
input |
---|
10 8 6 2 9 9 9 10 1 10 8 |
correct output |
---|
6 |
user output |
---|
5 |
Test 14
Verdict: ACCEPTED
input |
---|
10 5 10 8 7 9 4 0 1 3 2 |
correct output |
---|
3 |
user output |
---|
3 |
Test 15
Verdict: ACCEPTED
input |
---|
10 9 8 1 6 0 1 3 9 3 10 |
correct output |
---|
3 |
user output |
---|
3 |
Test 16
Verdict: ACCEPTED
input |
---|
100 417 998 721 933 0 128 302 1000... |
correct output |
---|
402 |
user output |
---|
402 |
Test 17
Verdict: ACCEPTED
input |
---|
100 436 185 25 932 550 948 435 485... |
correct output |
---|
402 |
user output |
---|
402 |
Test 18
Verdict: ACCEPTED
input |
---|
100 551 70 708 840 291 121 511 569... |
correct output |
---|
391 |
user output |
---|
391 |
Test 19
Verdict: WRONG ANSWER
input |
---|
100 967 901 547 172 973 856 715 60... |
correct output |
---|
395 |
user output |
---|
394 |
Test 20
Verdict: WRONG ANSWER
input |
---|
100 222 55 871 832 206 364 919 980... |
correct output |
---|
418 |
user output |
---|
417 |
Test 21
Verdict: ACCEPTED
input |
---|
100 180 68 19 665 463 194 725 927 ... |
correct output |
---|
401 |
user output |
---|
401 |
Test 22
Verdict: ACCEPTED
input |
---|
100 154 446 740 874 263 86 534 724... |
correct output |
---|
409 |
user output |
---|
409 |
Test 23
Verdict: ACCEPTED
input |
---|
100 778 607 237 860 825 893 966 17... |
correct output |
---|
419 |
user output |
---|
419 |
Test 24
Verdict: ACCEPTED
input |
---|
100 514 922 773 659 871 366 8 149 ... |
correct output |
---|
410 |
user output |
---|
410 |
Test 25
Verdict: WRONG ANSWER
input |
---|
100 849 814 179 591 54 111 361 819... |
correct output |
---|
381 |
user output |
---|
380 |
Test 26
Verdict: ACCEPTED
input |
---|
100 48 800 289 680 721 36 21 952 2... |
correct output |
---|
446 |
user output |
---|
446 |
Test 27
Verdict: ACCEPTED
input |
---|
100 208 702 482 731 420 638 860 78... |
correct output |
---|
431 |
user output |
---|
431 |
Test 28
Verdict: WRONG ANSWER
input |
---|
100 517 669 947 185 766 782 282 57... |
correct output |
---|
417 |
user output |
---|
416 |
Test 29
Verdict: ACCEPTED
input |
---|
100 960 294 700 52 1000 317 220 98... |
correct output |
---|
483 |
user output |
---|
483 |
Test 30
Verdict: ACCEPTED
input |
---|
100 870 696 582 433 279 98 186 181... |
correct output |
---|
433 |
user output |
---|
433 |
Test 31
Verdict: ACCEPTED
input |
---|
1000 549 593 715 845 603 858 545 84... |
correct output |
---|
417 |
user output |
---|
417 |
Test 32
Verdict: ACCEPTED
input |
---|
1000 417 998 721 933 0 128 302 1000... |
correct output |
---|
409 |
user output |
---|
409 |
Test 33
Verdict: WRONG ANSWER
input |
---|
1000 436 185 25 932 550 948 435 485... |
correct output |
---|
409 |
user output |
---|
408 |
Test 34
Verdict: WRONG ANSWER
input |
---|
1000 551 70 708 840 291 121 511 569... |
correct output |
---|
416 |
user output |
---|
415 |
Test 35
Verdict: WRONG ANSWER
input |
---|
1000 967 901 547 172 973 856 715 60... |
correct output |
---|
420 |
user output |
---|
419 |
Test 36
Verdict: ACCEPTED
input |
---|
2000 238363352 59249203 934941691 8... |
correct output |
---|
408637955 |
user output |
---|
408637955 |
Test 37
Verdict: ACCEPTED
input |
---|
2000 958701282 356460600 224848373 ... |
correct output |
---|
419252506 |
user output |
---|
419252506 |
Test 38
Verdict: WRONG ANSWER
input |
---|
2000 81935403 244103473 837431430 3... |
correct output |
---|
416082617 |
user output |
---|
416082616 |
Test 39
Verdict: WRONG ANSWER
input |
---|
2000 937837680 11934037 257096282 9... |
correct output |
---|
417515719 |
user output |
---|
417515718 |
Test 40
Verdict: ACCEPTED
input |
---|
2000 11139167 391337047 538883743 5... |
correct output |
---|
409258945 |
user output |
---|
409258945 |
Test 41
Verdict: WRONG ANSWER
input |
---|
10000 589284011 636562059 767928733 ... |
correct output |
---|
413957321 |
user output |
---|
413957320 |
Test 42
Verdict: ACCEPTED
input |
---|
20000 447773961 773442531 122815 137... |
correct output |
---|
414852078 |
user output |
---|
414852078 |
Test 43
Verdict: ACCEPTED
input |
---|
30000 468145962 198730371 27838075 5... |
correct output |
---|
410179075 |
user output |
---|
410179075 |
Test 44
Verdict: TIME LIMIT EXCEEDED
input |
---|
40000 591414746 75940262 760367934 9... |
correct output |
---|
414505355 |
user output |
---|
(empty) |
Test 45
Verdict: TIME LIMIT EXCEEDED
input |
---|
50000 967034923 587586157 185430193 ... |
correct output |
---|
412022071 |
user output |
---|
(empty) |
Test 46
Verdict: TIME LIMIT EXCEEDED
input |
---|
60000 238363352 59249203 934941691 8... |
correct output |
---|
414871380 |
user output |
---|
(empty) |
Test 47
Verdict: TIME LIMIT EXCEEDED
input |
---|
70000 958701282 356460600 224848373 ... |
correct output |
---|
413955399 |
user output |
---|
(empty) |
Test 48
Verdict: TIME LIMIT EXCEEDED
input |
---|
80000 81935403 244103473 837431430 3... |
correct output |
---|
414719178 |
user output |
---|
(empty) |
Test 49
Verdict: TIME LIMIT EXCEEDED
input |
---|
90000 937837680 11934037 257096282 9... |
correct output |
---|
412407588 |
user output |
---|
(empty) |
Test 50
Verdict: TIME LIMIT EXCEEDED
input |
---|
100000 11139167 391337047 538883743 5... |
correct output |
---|
413339299 |
user output |
---|
(empty) |
Test 51
Verdict: TIME LIMIT EXCEEDED
input |
---|
200000 589284011 636562059 767928733 ... |
correct output |
---|
414309243 |
user output |
---|
(empty) |
Test 52
Verdict: TIME LIMIT EXCEEDED
input |
---|
200000 447773961 773442531 122815 137... |
correct output |
---|
413259631 |
user output |
---|
(empty) |
Test 53
Verdict: TIME LIMIT EXCEEDED
input |
---|
200000 468145962 198730371 27838075 5... |
correct output |
---|
413293056 |
user output |
---|
(empty) |
Test 54
Verdict: TIME LIMIT EXCEEDED
input |
---|
200000 591414746 75940262 760367934 9... |
correct output |
---|
414827553 |
user output |
---|
(empty) |
Test 55
Verdict: TIME LIMIT EXCEEDED
input |
---|
200000 967034923 587586157 185430193 ... |
correct output |
---|
412998578 |
user output |
---|
(empty) |