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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#32691 | #2571. Aidana and Pita | YaoBIG# | AC ✓ | 914ms | 58156kb | C++17 | 4.1kb | 2022-05-22 23:32:14 | 2022-05-22 23:32:16 |
Judging History
answer
#include "bits/stdc++.h"
#define rep(i,a,n) for(auto i=a;i<=n;i++)
#define per(i,a,n) for(auto i=n;i>=a;i--)
#define pb push_back
#define mp make_pair
#define FI first
#define SE second
#define all(A) A.begin(),A.end()
#define sz(A) (int)A.size()
template<class T> inline bool chmax(T &a, T b) { if(a < b) {a = b; return 1;} return 0; }
template<class T> inline bool chmin(T &a, T b) { if(b < a) {a = b; return 1;} return 0; }
using namespace std;
template<class A, class B> string to_string(pair<A, B> p);
string to_string(const string &s) { return '"' + s + '"'; }
string to_string(const char *s) { return to_string((string) s); }
string to_string(char c) { return "'" + string(1, c) + "'"; }
string to_string(bool x) { return x ? "true" : "false"; }
template<class A> string to_string(A v)
{
bool first = 1;
string res = "{";
for(const auto &x: v)
{
if (!first) res += ", ";
first = 0;
res += to_string(x);
}
res += "}";
return res;
}
template<class A, class B> string to_string(pair<A, B> p) { return "(" + to_string(p.FI) + ", " + to_string(p.SE) + ")"; }
void debug_out() { cerr << endl; }
template<class Head, class... Tail> void debug_out(Head H, Tail... T)
{
cerr << " " << to_string(H);
debug_out(T...);
}
#ifndef ONLINE_JUDGE
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#else
#define debug(...) if(0) puts("No effect.")
#endif
using ll = long long;
// using LL = __int128;
using pii = pair<int,int>;
using vi = vector<int>;
using db = double;
using ldb = long double;
const int maxn = 2'000'000;
const int inf = 0x3f3f3f3f;
const int mod = 1e9 + 7;
template<class T, T INF, int maxn> struct BIT
{
int n;
T a[maxn + 5];
int id[maxn + 5];
void init(int _n)
{
n = _n;
rep(i, 1, n) a[i] = -INF;
}
void add(int i, T x, int y) { for(; i <= n; i += i & -i) if(chmax(a[i], x)) id[i] = y; }
pair<T, int> ask(int i)
{
T ans = -INF;
int ID = -1;
for(; i; i -= i & -i) if(chmax(ans, a[i])) ID = id[i];
return mp(ans, ID);
}
};
int main()
{
static int pw[25];
pw[0] = 1;
rep(i, 1, 15) pw[i] = pw[i - 1] * 3;
int n; scanf("%d", &n);
vi a(n);
for(auto &x: a) scanf("%d", &x);
vi L = vi(a.begin(), a.begin() + n / 2);
vi R = vi(a.begin() + n / 2, a.end());
vector<pair<pii, int>> A, B;
function<void(vector<pair<pii, int>>&, vi&, int, int, int, int, int)> dfs = [&](vector<pair<pii, int>> &res, vi &vec, int dep, int A, int D, int B, int msk)
{
if(dep == sz(vec))
{
res.pb(mp(pii{A - D, D - B}, msk));
return;
}
dfs(res, vec, dep + 1, A + vec[dep], D, B, msk);
dfs(res, vec, dep + 1, A, D + vec[dep], B, msk + pw[dep]);
dfs(res, vec, dep + 1, A, D, B + vec[dep], msk + pw[dep] * 2);
};
dfs(A, L, 0, 0, 0, 0, 0);
dfs(B, R, 0, 0, 0, 0, 0);
for(auto &[it, msk]: B) it = {-it.FI, -it.SE};
sort(all(A));
sort(all(B)); reverse(all(B));
vi vec;
for(auto [it, msk]: B) vec.pb(it.SE);
sort(all(vec)); vec.erase(unique(all(vec)), vec.end());
int N = sz(vec);
auto getid = [&](int x) { return lower_bound(all(vec), x) - vec.begin() + 1; };
static BIT<int, inf, maxn> bit;
bit.init(N);
assert(N <= maxn);
int best = inf;
pii ansmsk = {-1, -1};
for(auto [it, msk]: A)
{
auto [x1, y1] = it;
while(sz(B) && B.back().FI.FI <= x1)
{
auto [x2, y2] = B.back().FI;
int msk = B.back().SE;
B.pop_back();
int pos = getid(y2);
bit.add(pos, x2 + y2, msk);
}
auto pos = getid(y1 + 1) - 1;
auto [mx, msk2] = bit.ask(pos);
if(chmin(best, x1 + y1 - mx)) ansmsk = {msk, msk2};
}
vi ans;
auto [X, Y] = ansmsk;
rep(i, 1, n / 2) ans.pb(X % 3), X /= 3;
rep(i, 1, n - n / 2) ans.pb(Y % 3), Y /= 3;
rep(i, 0, n - 1) printf("%d%c", ans[i] + 1, " \n"[i == n - 1]);
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 5772kb
input:
5 2 3 1 4 2
output:
3 2 2 1 3
result:
ok answer is 0
Test #2:
score: 0
Accepted
time: 0ms
memory: 5780kb
input:
6 3 2 5 3 4 2
output:
2 3 1 2 3 1
result:
ok answer is 1
Test #3:
score: 0
Accepted
time: 0ms
memory: 5740kb
input:
3 2617460 3290620 1468912
output:
2 1 3
result:
ok answer is 1821708
Test #4:
score: 0
Accepted
time: 363ms
memory: 44204kb
input:
25 6 6 7 8 5 10 5 7 10 10 4 4 5 8 1 6 3 1 9 4 10 7 8 4 5
output:
3 2 3 3 2 3 2 2 2 2 2 2 3 3 3 3 1 1 1 1 1 1 1 1 1
result:
ok answer is 0
Test #5:
score: 0
Accepted
time: 351ms
memory: 44304kb
input:
25 8 2 2 9 9 10 3 5 9 1 2 5 8 1 4 8 4 3 6 2 8 8 4 2 2
output:
2 3 3 3 2 3 2 2 2 2 2 2 3 1 3 1 1 1 3 1 1 1 1 1 1
result:
ok answer is 1
Test #6:
score: 0
Accepted
time: 378ms
memory: 43216kb
input:
25 9999996 9999999 9999991 9999991 9999999 9999997 9999991 9999993 9999992 10000000 9999991 10000000 9999996 9999997 9999993 9999992 9999990 9999991 9999997 10000000 9999998 9999990 9999993 9999990 9999999
output:
2 2 1 1 2 3 1 2 2 2 1 2 2 3 3 1 1 1 3 3 3 1 3 1 3
result:
ok answer is 9999943
Test #7:
score: 0
Accepted
time: 352ms
memory: 45348kb
input:
25 10000000 10000000 10000000 10000000 10000000 10000000 10000000 10000000 10000000 10000000 10000000 10000000 10000000 10000000 10000000 10000000 10000000 10000000 10000000 10000000 10000000 10000000 10000000 10000000 10000000
output:
3 3 3 3 2 2 2 2 2 2 2 2 3 3 3 3 1 1 1 1 1 1 1 1 1
result:
ok answer is 10000000
Test #8:
score: 0
Accepted
time: 896ms
memory: 57440kb
input:
25 4568194 6252832 2990361 6179671 5525735 3402540 12193 4812907 2393092 9823299 4089880 1724585 2200631 5143163 5750864 5341161 5957736 2310544 8033121 9675751 9295231 71902 6463783 7667395 5613033
output:
1 3 3 3 3 3 2 2 2 1 1 3 3 2 3 1 1 1 2 1 2 3 2 3 2
result:
ok answer is 49
Test #9:
score: 0
Accepted
time: 911ms
memory: 56168kb
input:
25 7762025 9149481 7523209 4813111 6800820 1960599 4807700 5411348 4528299 7599785 3468951 537831 6539799 2655771 1259341 9722159 506693 2973008 7910966 3611985 6228870 4141646 9112851 1735188 6538160
output:
3 1 2 3 1 3 3 2 3 3 2 2 3 3 3 1 3 1 1 2 2 1 2 1 2
result:
ok answer is 145
Test #10:
score: 0
Accepted
time: 909ms
memory: 56684kb
input:
25 4732744 6239034 6860504 9029957 848680 209411 3629865 1309532 7860007 2831327 1707125 320774 4082248 4458046 8318819 7279399 861428 5020696 716989 8764261 952311 9612131 5994738 7283372 5509248
output:
3 3 3 1 3 3 3 2 2 3 2 2 2 1 1 2 1 2 1 1 2 2 1 3 3
result:
ok answer is 53
Test #11:
score: 0
Accepted
time: 854ms
memory: 57536kb
input:
25 3926971 5832018 518527 8763702 973269 4552634 6533999 2808656 1277522 5063756 3389181 9876771 4222160 9001717 3592108 5852492 7874646 507942 8922016 4798000 1131210 9081684 512549 3399413 3253241
output:
3 2 2 1 3 2 3 2 2 1 2 1 2 3 3 2 3 2 1 1 1 2 2 3 3
result:
ok answer is 91
Test #12:
score: 0
Accepted
time: 878ms
memory: 57048kb
input:
25 9383440 7906533 1692080 1331860 34750 3968473 2920448 8420499 271149 5986045 9894611 508079 1328124 2344042 9426700 8381332 7038317 4146561 5946221 3554163 215270 6084580 2549278 2162818 3791345
output:
1 2 1 3 3 3 3 1 3 2 1 2 3 3 3 2 1 2 2 2 3 3 3 3 3
result:
ok answer is 110
Test #13:
score: 0
Accepted
time: 882ms
memory: 56876kb
input:
25 4046088 7315708 7288467 1966990 9827334 4635838 8767858 753173 7611802 8291513 4297560 3224050 8917952 5408746 3999749 761012 1332251 409871 2394270 1464938 7524338 2072107 3597866 4231339 9638829
output:
2 3 2 2 1 1 2 1 1 3 3 2 3 1 2 1 1 2 2 3 1 1 2 2 3
result:
ok answer is 101
Test #14:
score: 0
Accepted
time: 897ms
memory: 55884kb
input:
25 5547618 2099625 1573205 2912509 2335015 318412 5812834 9389294 7275632 2026666 7297673 3627332 1756646 7605338 5450938 6407663 678114 5237576 4788058 1293302 5458419 9269556 9795138 6180722 2919003
output:
3 2 3 3 2 2 3 1 2 3 1 3 3 3 1 1 1 3 2 2 2 2 1 2 3
result:
ok answer is 93
Test #15:
score: 0
Accepted
time: 914ms
memory: 57636kb
input:
25 58653 5582060 2162966 9667782 5952067 1573434 692941 6120542 1083586 5478323 762427 4922098 3516225 9558027 2481388 1525866 1640140 5470075 6840333 8007024 520149 1766849 496240 7801716 7498415
output:
2 1 2 2 3 1 3 1 3 3 3 3 2 2 1 2 1 2 3 1 1 2 3 1 3
result:
ok answer is 23
Test #16:
score: 0
Accepted
time: 410ms
memory: 45872kb
input:
25 911 78 35 7 73 7 74 57 40 54 71 15 78 931 29 51 12 953 47 18 44 51 27 62 16
output:
2 3 2 2 2 2 2 3 3 2 2 2 3 3 1 3 3 1 1 1 1 1 1 1 1
result:
ok answer is 0
Test #17:
score: 0
Accepted
time: 718ms
memory: 52792kb
input:
25 56582 31593 65868 9990302 89743 29492 69983 10894 37205 19856 32444 9930060 97648 56666 17128 53655 30899 48933 58260 51304 83008 96129 1061 11962 9941936
output:
1 2 3 2 2 2 1 3 2 3 3 3 3 1 1 1 2 1 1 3 2 3 1 2 1
result:
ok answer is 1
Test #18:
score: 0
Accepted
time: 413ms
memory: 45608kb
input:
25 1 2 4 8 16 32 64 128 256 512 1024 2048 4096 8192 16384 32768 65536 131072 262144 524288 1048576 2097152 4194304 8388608 6257913
output:
3 3 2 2 2 2 2 3 3 2 2 2 2 2 3 2 2 2 2 2 3 2 2 1 3
result:
ok answer is 1065348
Test #19:
score: 0
Accepted
time: 555ms
memory: 56428kb
input:
25 1 3 9 27 81 243 729 2187 6561 19683 59049 177147 531441 1594323 4782969 1088916 1520954 9015711 5552512 1853562 2760187 8617948 6012543 456601 6151460
output:
3 3 3 3 3 3 2 3 2 2 3 1 2 3 1 2 3 1 3 3 1 2 2 2 3
result:
ok answer is 1603
Test #20:
score: 0
Accepted
time: 377ms
memory: 45916kb
input:
25 1 10 100 1000 10000 100000 1000000 10000000 69 45 74 74 33 29 35 55 1 43 50 86 10 81 29 96 73
output:
3 3 3 3 3 3 2 1 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3
result:
ok answer is 9888006
Test #21:
score: 0
Accepted
time: 326ms
memory: 44932kb
input:
25 1 15 225 3375 50625 759375 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
output:
3 3 3 3 2 1 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3
result:
ok answer is 755740
Test #22:
score: 0
Accepted
time: 330ms
memory: 45716kb
input:
25 1 20 400 8000 160000 3200000 1 1 1 1 1 1 1 2 1 2 1 2 1 2 2 2 2 2 2
output:
3 3 3 3 2 1 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3
result:
ok answer is 3191551
Test #23:
score: 0
Accepted
time: 842ms
memory: 58156kb
input:
25 63353 736041 846599 1431744 1739144 2274384 2726277 3192576 3288972 3897012 4065841 4471346 4818261 5270407 5717802 6224939 6449270 6970979 7252374 7847142 8218821 8775107 8869918 9324673 9686751
output:
2 3 1 1 1 3 3 2 1 2 2 3 1 2 3 1 3 1 2 1 1 2 2 3 3
result:
ok answer is 57