이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.h>
#include <chrono>
using namespace std;
using namespace std::chrono;
// #pragma GCC target ("avx2")
// #pragma GCC optimization ("O3")
// #pragma GCC optimization ("unroll-loops")
// #pragma optimization_level 3
// #pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math,O3")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#define f0r(a, b) for (long long a = 0; a < (b); a++)
#define f1r(a, b, c) for (long long a = (b); a < (c); a++)
#define f0rd(a, b) for (long long a = (b); a >= 0; a--)
#define f1rd(a, b, c) for (long long a = (b); a >= (c); a--)
#define ms(arr, v) memset(arr, v, sizeof(arr))
#define pb push_back
#define io {ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);}
#define mp make_pair
#define f first
#define s second
#define presum(p, a, n) {p[0] = a[0]; for (int i = 1; i < (n); i++) p[i] = a[i] + p[i-1];}
#define all(v) v.begin(), v.end()
#define getunique(v) {sort(all(v)); v.erase(unique(all(v)), v.end());}
#define readgraph(list, edges) for (int i = 0; i < edges; i++) {int a, b; cin >> a >> b; a--; b--; list[a].pb(b); list[b].pb(a);}
#define ai(a, n) for (int ele = 0; ele < n; ele++) cin >> a[ele];
#define ain(a, lb, rb) for (int ele = lb; ele <= rb; ele++) cin >> a[ele];
#define ao(a, n) {for (int ele = 0; ele < n; ele++) { if (ele) cout << " "; cout << a[ele]; } cout << '\n';}
#define aout(a, lb, rb) {for (int ele = lb; ele <= rb; ele++) { if (ele > lb) cout << " "; cout << a[ele]; } cout << '\n';}
typedef long long ll;
typedef double ld;
typedef long double lld;
typedef unsigned long long ull;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pii> vpi;
typedef vector<pll> vpl;
template<typename A> ostream& operator<<(ostream &cout, vector<A> const &v);
template<typename A, typename B> ostream& operator<<(ostream &cout, pair<A, B> const &p) { return cout << "(" << p.f << ", " << p.s << ")"; }
template<typename A> ostream& operator<<(ostream &cout, vector<A> const &v) {
cout << "["; for(int i = 0; i < v.size(); i++) {if (i) cout << ", "; cout << v[i];} return cout << "]";
}
template<typename A, typename B> istream& operator>>(istream& cin, pair<A, B> &p) {
cin >> p.first;
return cin >> p.second;
}
// template<typename A, typename B> ll max(A x, B y) {
// return x > y ? x : y;
// }
// template<typename A, typename B> ll min(A x, B y) {
// return x < y ? x : y;
// }
mt19937 rng(steady_clock::now().time_since_epoch().count());
/* usage - just do rng() */
void usaco(string filename) {
// #pragma message("be careful, freopen may be wrong")
freopen((filename + ".in").c_str(), "r", stdin);
freopen((filename + ".out").c_str(), "w", stdout);
}
const lld pi = 3.14159265358979323846;
const ll mod = 1000000007;
// const ll mod = 998244353;
// namespace interactor {
// }
// using namespace interactor;
// int valid(int n, int seq[]);
// int replacement(int n, int seq[], int replace[]);
// int countReplacement(int n, int seq[]);
// int main() {
// int a[] = {2, 3, 4, 5, 1};
// int b[] = {2, 3, 4, 5, 6};
// cout << valid(5, a) << " " << valid(5, b) << endl;
// int c[55] = {};
// int l = replacement(5, b, c);
// cout << l << endl;
// ao(c, l);
// int d[7] = {2, 3, 4, 9, 6, 7, 1};
// l = replacement(7, d, c);
// cout << l << endl;
// ao(c, l);
// int e[3] = {1, 5, 4};
// l = replacement(3, e, c);
// cout << l << endl;
// ao(c, l);
// }
#include "gondola.h"
ll n, m, k, q, Q, T, l, r, x, y, z;
ll a[1000005];
ll b[1000005];
ll c[1000005];
string s, t;
ll ans = 0;
int valid(int n, int seq[]) {
int c1 = 0;
f0r(i, n) if (seq[i] == 1) ++c1;
if (c1 != 1) return 0;
f0r(i, n) {
if (seq[i] == 1) {
f0r(j, n) {
if (seq[(i + j) % n] <= n && seq[(i + j) % n] != j + 1) return 0;
}
break;
}
}
return 1;
}
int loc[250005];
int sseq[100005];
int replacement(int n, int seq[], int replace[]) {
f0r(i, n) --seq[i];
f0r(i, n) sseq[i] = seq[i];
sort(sseq, sseq + n);
int rind = 0;
int mx = 0;
f0r(i, n) mx = max(mx, seq[i]);
f0r(i, mx) loc[i] = -1;
f0r(i, n) loc[seq[i]] = i;
int sent = seq[loc[mx]];
bool whatever = 1;
f0r(i, n) {
if (loc[i] != -1) {
f0r(j, n) seq[(loc[i] + j) % n] = (i + j) % n;
whatever = 0;
break;
}
}
if (whatever) f0r(i, n) seq[i] = i;
f0r(i, n) {
while (n + rind <= sseq[i]) {
replace[rind] = seq[loc[sseq[i]]] + 1;
seq[loc[sseq[i]]] = n + rind++;
}
}
return rind;
}
int countReplacement(int n, int seq[]) {
if (!valid(n, seq)) return 0;
return 1;
const ll mod = 1000000009;
f0r(i, n) --seq[i];
f0r(i, n) sseq[i] = seq[i];
sort(sseq, sseq + n);
int mx = 0;
bool whatever = 1;
f0r(i, n) {
if (seq[i] < n) whatever = 0;
}
ll ans = 1;
if (whatever) ans = (ans * n) % mod;
ll rind = n;
f0r(i, n) {
ll v = sseq[i] - rind;
rind = sseq[i];
if (v > 0) ans = (ans * v) % mod;
}
return ans;
}
// int main() {
// io;
// // freopen("case", "r", stdin);
// // freopen("test.txt", "r", stdin);
// // freopen("case", "w", stdout);
// // freopen("file.in", "r", stdin);
// // usaco("file");
// }
컴파일 시 표준 에러 (stderr) 메시지
gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:143:7: warning: unused variable 'sent' [-Wunused-variable]
int sent = seq[loc[mx]];
^~~~
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:175:7: warning: unused variable 'mx' [-Wunused-variable]
int mx = 0;
^~
gondola.cpp: In function 'void usaco(std::__cxx11::string)':
gondola.cpp:65:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
freopen((filename + ".in").c_str(), "r", stdin);
~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gondola.cpp:66:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
freopen((filename + ".out").c_str(), "w", stdout);
~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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