結果
| 問題 |
No.318 学学学学学
|
| コンテスト | |
| ユーザー |
climpet
|
| 提出日時 | 2015-12-12 02:41:23 |
| 言語 | C++11(廃止可能性あり) (gcc 13.3.0) |
| 結果 |
AC
|
| 実行時間 | 32 ms / 2,000 ms |
| コード長 | 3,334 bytes |
| コンパイル時間 | 856 ms |
| コンパイル使用メモリ | 73,732 KB |
| 実行使用メモリ | 6,944 KB |
| 最終ジャッジ日時 | 2024-06-22 15:47:24 |
| 合計ジャッジ時間 | 3,591 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 26 |
コンパイルメッセージ
main.cpp: In function ‘int main()’:
main.cpp:136:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
136 | scanf("%d", &n);
| ~~~~~^~~~~~~~~~
main.cpp:139:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
139 | scanf("%d", &a[i].fst);
| ~~~~~^~~~~~~~~~~~~~~~~
ソースコード
#include <cstdio>
#include <iostream>
#include <vector>
#include <set>
#include <algorithm>
#include <utility>
#include <climits>
#include <functional>
#include <cstring>
#include <numeric>
using namespace std;
#define MAX_N 100010
typedef long long LL;
typedef pair<int,int> pii;
struct intset{
typedef unsigned long long ULL;
vector<vector<ULL> > val;
int n;
intset() : n() {}
explicit intset(int m){
init(m);
}
void init(int m){
n = m;
val.clear();
do{
int t = (m + 63) >> 6;
val.emplace_back(t);
m = t;
} while(m > 1);
}
bool contains(int x) const{
if(x < 0 || x >= n){ return false; }
return val[0][x >> 6] >> (x & 63) & 1;
}
bool insert(int x){
if(x < 0 || x >= n){ return false; }
if(contains(x)){ return false; }
int h = val.size();
bool cont = true;
for(int i = 0; cont && i < h; ++i){
int t = x >> 6;
ULL &v = val[i][t];
cont = !v;
v |= 1ull << (x & 63);
x = t;
}
return true;
}
bool erase(int x){
if(x < 0 || x >= n){ return false; }
if(!contains(x)){ return false; }
int h = val.size();
bool cont = true;
for(int i = 0; cont && i < h; ++i){
int t = x >> 6;
ULL &v = val[i][t];
v &= ~(1ull << (x & 63));
cont = !v;
x = t;
}
return true;
}
int successor(int x) const{
if(x >= n){ return INT_MAX; }
if(x < 0){
if(contains(0)){ return 0; }
x = 0;
}
int h = val.size();
int i;
for(i = 0; i < h; ++i){
int t = x >> 6;
ULL v = val[i][t];
v &= ~((2ull << (x & 63)) - 1);
if(v){
x = (t << 6) + __builtin_ctzll(v);
break;
}
x = t;
}
if(i == h){ return INT_MAX; }
while(i > 0){
--i;
x = (x << 6) + __builtin_ctzll(val[i][x]);
}
return x;
}
int predecessor(int x) const{
if(x <= 0){ return INT_MIN; }
if(x >= n){
if(contains(n - 1)){ return n - 1; }
x = n - 1;
}
int h = val.size();
int i;
for(i = 0; i < h; ++i){
int t = x >> 6;
ULL v = val[i][t];
v &= (1ull << (x & 63)) - 1;
if(v){
x = (t << 6) + 63 - __builtin_clzll(v);
break;
}
x = t;
}
if(i == h){ return INT_MIN; }
while(i > 0){
--i;
x = (x << 6) + 63 - __builtin_clzll(val[i][x]);
}
return x;
}
void swap(intset &other){
std::swap(n, other.n);
val.swap(other.val);
}
};
struct hoge{
int fst, snd;
};
int main(){
const int INF = 1010101010;
hoge a[MAX_N], tmp[MAX_N];
int b[MAX_N];
int cnt[32780] = {};
int n;
scanf("%d", &n);
for(int i = 0; i < n; ++i){
scanf("%d", &a[i].fst);
a[i].snd = i;
}
for(int i = 0; i < n; ++i){
b[i] = 32767 - (a[i].fst & 32767);
++cnt[b[i] + 1];
}
for(int i = 1; i < 32768; ++i){
cnt[i] += cnt[i - 1];
}
for(int i = 0; i < n; ++i){
tmp[cnt[b[i]]++] = a[i];
}
memset(cnt, 0, sizeof cnt);
for(int i = 0; i < n; ++i){
b[i] = 32767 - (tmp[i].fst >> 15);
++cnt[b[i] + 1];
}
for(int i = 1; i < 32768; ++i){
cnt[i] += cnt[i - 1];
}
for(int i = 0; i < n; ++i){
a[cnt[b[i]]++] = tmp[i];
}
a[n].fst = INF;
intset is(n);
for(int i = 0; i < n; ++i){
is.insert(i);
}
for(int i = 0; i < n; ){
int j;
int val = a[i].fst;
for(j = i + 1; a[j].fst == val; ++j);
int l = a[i].snd - 1, r = a[j - 1].snd;
while((l = is.successor(l)) <= r){
b[l] = val;
is.erase(l);
}
i = j;
}
for(int i = 0; i < n; ++i){
printf("%d%c", b[i], i + 1 == n ? '\n' : ' ');
}
}
climpet