Submission #474420

#	Time	Username	Problem	Language	Result	Execution time	Memory
474420		hhhhaura	Mouse (info1cup19_mouse)	C++14	0 / 100	0 ms	200 KiB

mouse

#define wiwihorz
#include "grader.h"
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma loop-opt(on)

#define rep(i, a, b) for(int i = a; i <= b; i ++)
#define rrep(i, a, b) for(int i = b; i >= a; i--)
#define all(x) x.begin(), x.end()
#define ceil(a, b) ((a + b - 1) / (b))

using namespace std;

#define lld long double
#define pii pair<int, int>
#define random mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count())

#ifdef wiwihorz
#define print(a...) cerr << "Line: " << __LINE__, kout("[" + string(#a) + "] = ", a)
void vprint(auto L, auto R) { cerr << *L << " \n"[next(L) == R], ++L; }
void kout() { cerr << endl; }
template<class T1, class ... T2> void kout(T1 a, T2 ... e) { cerr << a << " ", kout(e...);}
#else
#define print(...) 0
#define vprint(...) 0
#endif
int n, tot;
random;
vector<int> a;
void init_(int _n) {
	n = _n, tot = 0;
//	a.assign(n + 1, 0);
//	rep(i, 1, n) a[i] = i;
//	shuffle(a.begin() + 1, a.begin() + n + 1, rnd);
}
/*
int query(vector<int> b) {
	assert(b.size() == n + 1);
	int cnt = 0;
	tot ++;
	rep(i, 1, n) cnt += a[i] == b[i];
	return cnt;
}
*/
void solve(int n) {
	init_(n);
	vector<int> v(n + 1, 0);
	rep(i, 1, n) v[i] = i;
	int cur = query(v), tp;
	rep(i, 1, n) rep(j, i + 1, n) {
		if(cur == n) return;
		swap(v[i], v[j]);
		if(tp = query(v), tp > cur) cur = tp;
		else swap(v[i], v[j]);
	}
	assert(cur == n);
}
/*signed main() {
	ios::sync_with_stdio(false), cin.tie(0);
	int t; cin >> t;
	while(t--) {
		int n; cin >> n;
		solve(n);
		print(tot);
	}
	return 0;
}*/

Compilation message (stderr)

mouse.cpp:5: warning: ignoring '#pragma loop ' [-Wunknown-pragmas]
    5 | #pragma loop-opt(on)
      | 
mouse.cpp:20:13: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   20 | void vprint(auto L, auto R) { cerr << *L << " \n"[next(L) == R], ++L; }
      |             ^~~~
mouse.cpp:20:21: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   20 | void vprint(auto L, auto R) { cerr << *L << " \n"[next(L) == R], ++L; }
      |                     ^~~~

• Subtask 1: 0 / 13
• Subtask 2: 0 / 38
• Subtask 3: 0 / 49