Task: | Establish equality |
Sender: | bubu2006 |
Submission time: | 2024-09-09 16:32:12 +0300 |
Language: | C++ (C++20) |
Status: | READY |
Result: | ACCEPTED |
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 | ACCEPTED | 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 | ACCEPTED | 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 | ACCEPTED | 0.00 s | details |
#20 | ACCEPTED | 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 | ACCEPTED | 0.00 s | details |
#26 | ACCEPTED | 0.00 s | details |
#27 | ACCEPTED | 0.00 s | details |
#28 | ACCEPTED | 0.00 s | details |
#29 | ACCEPTED | 0.00 s | details |
#30 | ACCEPTED | 0.00 s | details |
#31 | ACCEPTED | 0.00 s | details |
#32 | ACCEPTED | 0.00 s | details |
#33 | ACCEPTED | 0.00 s | details |
#34 | ACCEPTED | 0.00 s | details |
#35 | ACCEPTED | 0.00 s | details |
#36 | ACCEPTED | 0.00 s | details |
#37 | ACCEPTED | 0.00 s | details |
#38 | ACCEPTED | 0.00 s | details |
#39 | ACCEPTED | 0.00 s | details |
#40 | ACCEPTED | 0.00 s | details |
#41 | ACCEPTED | 0.01 s | details |
#42 | ACCEPTED | 0.01 s | details |
#43 | ACCEPTED | 0.01 s | details |
#44 | ACCEPTED | 0.01 s | details |
#45 | ACCEPTED | 0.01 s | details |
#46 | ACCEPTED | 0.02 s | details |
#47 | ACCEPTED | 0.02 s | details |
#48 | ACCEPTED | 0.02 s | details |
#49 | ACCEPTED | 0.03 s | details |
#50 | ACCEPTED | 0.03 s | details |
#51 | ACCEPTED | 0.05 s | details |
#52 | ACCEPTED | 0.05 s | details |
#53 | ACCEPTED | 0.05 s | details |
#54 | ACCEPTED | 0.05 s | details |
#55 | ACCEPTED | 0.05 s | details |
Code
#include <bits/stdc++.h> using namespace std; #define int long long string to_string(string s) { return '"' + s + '"'; } string to_string(const char* s) { return to_string((string) s); } string to_string(bool b) { return (b ? "true" : "false"); } template <typename A, typename B> string to_string(pair<A, B> p) { return "(" + to_string(p.first) + ", " + to_string(p.second) + ")"; } template <typename A> string to_string(A v) { bool first = true; string res = "{"; for (const auto &x : v) { if (!first) { res += ", "; } first = false; res += to_string(x); } res += "}"; return res; } void debug_out() { cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << " " << to_string(H); debug_out(T...); } #ifdef LOCAL #define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__) #else #define debug(...) 42 #endif const int N = 2e5 + 5; int n, a[N]; signed main() { cin.tie(0)->sync_with_stdio(0); cin >> n; for (int i = 1; i <= n; i++) { cin >> a[i]; } sort(a + 1, a + n + 1); auto check = [&](int mid) { int need = 0, have = 0; for (int i = 1; i <= n; i++) { if (a[i] <= mid) { need += (mid - a[i]) * 2; } else { have += ((a[i] - mid) / 2) * 2; } } return have >= need; }; int lo = 0, hi = 1e9, ans = -1; while (lo <= hi) { int mid = lo + (hi - lo) / 2; if (check(mid)) { ans = mid; lo = mid + 1; } else { hi = mid - 1; } } cout << ans << '\n'; }
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: ACCEPTED
input |
---|
10 4 2 0 10 6 10 4 5 4 3 |
correct output |
---|
4 |
user output |
---|
4 |
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: ACCEPTED
input |
---|
10 8 6 2 9 9 9 10 1 10 8 |
correct output |
---|
6 |
user output |
---|
6 |
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: ACCEPTED
input |
---|
100 967 901 547 172 973 856 715 60... |
correct output |
---|
395 |
user output |
---|
395 |
Test 20
Verdict: ACCEPTED
input |
---|
100 222 55 871 832 206 364 919 980... |
correct output |
---|
418 |
user output |
---|
418 |
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: ACCEPTED
input |
---|
100 849 814 179 591 54 111 361 819... |
correct output |
---|
381 |
user output |
---|
381 |
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: ACCEPTED
input |
---|
100 517 669 947 185 766 782 282 57... |
correct output |
---|
417 |
user output |
---|
417 |
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: ACCEPTED
input |
---|
1000 436 185 25 932 550 948 435 485... |
correct output |
---|
409 |
user output |
---|
409 |
Test 34
Verdict: ACCEPTED
input |
---|
1000 551 70 708 840 291 121 511 569... |
correct output |
---|
416 |
user output |
---|
416 |
Test 35
Verdict: ACCEPTED
input |
---|
1000 967 901 547 172 973 856 715 60... |
correct output |
---|
420 |
user output |
---|
420 |
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: ACCEPTED
input |
---|
2000 81935403 244103473 837431430 3... |
correct output |
---|
416082617 |
user output |
---|
416082617 |
Test 39
Verdict: ACCEPTED
input |
---|
2000 937837680 11934037 257096282 9... |
correct output |
---|
417515719 |
user output |
---|
417515719 |
Test 40
Verdict: ACCEPTED
input |
---|
2000 11139167 391337047 538883743 5... |
correct output |
---|
409258945 |
user output |
---|
409258945 |
Test 41
Verdict: ACCEPTED
input |
---|
10000 589284011 636562059 767928733 ... |
correct output |
---|
413957321 |
user output |
---|
413957321 |
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: ACCEPTED
input |
---|
40000 591414746 75940262 760367934 9... |
correct output |
---|
414505355 |
user output |
---|
414505355 |
Test 45
Verdict: ACCEPTED
input |
---|
50000 967034923 587586157 185430193 ... |
correct output |
---|
412022071 |
user output |
---|
412022071 |
Test 46
Verdict: ACCEPTED
input |
---|
60000 238363352 59249203 934941691 8... |
correct output |
---|
414871380 |
user output |
---|
414871380 |
Test 47
Verdict: ACCEPTED
input |
---|
70000 958701282 356460600 224848373 ... |
correct output |
---|
413955399 |
user output |
---|
413955399 |
Test 48
Verdict: ACCEPTED
input |
---|
80000 81935403 244103473 837431430 3... |
correct output |
---|
414719178 |
user output |
---|
414719178 |
Test 49
Verdict: ACCEPTED
input |
---|
90000 937837680 11934037 257096282 9... |
correct output |
---|
412407588 |
user output |
---|
412407588 |
Test 50
Verdict: ACCEPTED
input |
---|
100000 11139167 391337047 538883743 5... |
correct output |
---|
413339299 |
user output |
---|
413339299 |
Test 51
Verdict: ACCEPTED
input |
---|
200000 589284011 636562059 767928733 ... |
correct output |
---|
414309243 |
user output |
---|
414309243 |
Test 52
Verdict: ACCEPTED
input |
---|
200000 447773961 773442531 122815 137... |
correct output |
---|
413259631 |
user output |
---|
413259631 |
Test 53
Verdict: ACCEPTED
input |
---|
200000 468145962 198730371 27838075 5... |
correct output |
---|
413293056 |
user output |
---|
413293056 |
Test 54
Verdict: ACCEPTED
input |
---|
200000 591414746 75940262 760367934 9... |
correct output |
---|
414827553 |
user output |
---|
414827553 |
Test 55
Verdict: ACCEPTED
input |
---|
200000 967034923 587586157 185430193 ... |
correct output |
---|
412998578 |
user output |
---|
412998578 |