結果

問題 No.365 ジェンガソート
ユーザー yasunori
提出日時 2024-06-17 22:44:25
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 13 ms / 2,000 ms
コード長 3,433 bytes
コンパイル時間 2,504 ms
コンパイル使用メモリ 198,552 KB
最終ジャッジ日時 2025-02-21 23:09:25
ジャッジサーバーID
(参考情報)
judge5 / judge2
このコードへのチャレンジ
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ファイルパターン 結果
other AC * 41
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#include <bits/stdc++.h>
using namespace std;
template <typename T> using min_priority_queue = priority_queue<T,vector<T>,greater<T>>;
random_device seed_gen;
mt19937 engine(seed_gen());
uint64_t rand64(){
uint64_t a = engine();
uint64_t b = engine();
return (a << 32) + b;
}
int64_t get_time(){
struct::timespec t;
clock_gettime(CLOCK_MONOTONIC, &t);
return t.tv_sec * int64_t(1'000'000'000) + t.tv_nsec;
}
void RE(){
assert(false);
}
void TLE(){
sleep(0x100);
}
void MLE(){
vector V(0x10000000,0);
}
template<typename T>
void invec(vector<T> &v){
for(auto &i : v) cin >> i;
return;
}
template<typename T>
void outvec(vector<T> &v){
bool b = false;
for(auto i : v){
if(b) cout << " ";
else b = true;
cout << i;
}
cout << endl;
return;
}
template <typename T>
bool chmin(T &a, const T& b) {
if (a > b) {
a = b; // ab
return true;
}
return false;
}
template <typename T>
bool chmax(T &a, const T& b) {
if (a < b) {
a = b; // ab
return true;
}
return false;
}
bool yn(bool b){
if(b) cout << "Yes" << endl;
else cout << "No" << endl;
return b;
}
bool check_with_simple_solution;
bool calc_time;
bool random_input;
bool debug_output;
int num_of_testcase;
using ans_type = int;
void input(){
if(num_of_testcase > 1){
}
if(random_input){
}
else{
}
return;
}
void output_input(){
return;
}
void pre_solve(){
return;
}
ans_type solve(){
int N; cin >> N;
vector<int> A(N);
invec(A);
for(auto &a : A) a--;
vector<int> Ainv(N);
for(int i = 0; i < N; i++) Ainv[A[i]] = i;
for(int i = N-1; i >= 1; i--){
if(Ainv[i] < Ainv[i-1]) return i;
}
return 0;
return ans_type();
}
ans_type solve_simple(){
return ans_type();
}
void output(ans_type ans){
cout << ans << endl;
return;
}
int main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout << fixed << setprecision(20);
check_with_simple_solution = 0;
calc_time = 0;
random_input = 0;
debug_output = 0;
num_of_testcase = 1;
if(num_of_testcase == 0) cin >> num_of_testcase;
pre_solve();
if(check_with_simple_solution){
for(int i = 0; i < num_of_testcase; i++){
if(debug_output) cout << "begin case " << i << " " << string(16, '=') << endl;
input();
ans_type ans = solve();
if(debug_output) cout << string(16, '=') << endl;
ans_type ans_simple = solve_simple();
if(ans != ans_simple){
cout << "input: " << endl;
output_input();
cout << "output: " << endl;
output(ans);
cout << "expected: " << endl;
output(ans_simple);
}
if(debug_output) cout << "end case " << i << " " << string(16, '=') << endl;
}
}
else{
int64_t time_start = get_time();
for(int i = 0; i < num_of_testcase; i++){
input();
output(solve());
}
int64_t time_end = get_time();
if(calc_time){
double time_per_case = (time_end - time_start) / (1e9 * num_of_testcase);
cout << fixed << setprecision(3) << time_per_case << "[second/case]" << endl;
}
}
return 0;
}
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