Submission #350139

#	Time	Username	Problem	Language	Result	Execution time	Memory
350139		Kevin_Zhang_TW	Crayfish scrivener (IOI12_scrivener)	C++17	34 / 100	161 ms	262148 KiB

scrivener

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define pb emplace_back
#define AI(i) begin(i), end(i)
template<class T> bool chmin(T &a, T b) { return b < a && (a = b, true); }
template<class T> bool chmax(T &a, T b) { return a < b && (a = b, true); }
#ifdef KEV
#define DE(args...) kout("[ " + string(#args) + " ] = ", args)
void kout() { cerr << endl; }
template<class T, class ...U> void kout(T a, U ...b) { cerr << a << ' ', kout(b...); }
template<class T> void debug(T L, T R) { while (L != R) cerr << *L << " \n"[next(L) == R], ++L; }
#else
#define DE(...) 0
#define debug(...) 0
#endif

const int MAX_N = 300005;

char last;

vector<vector<char>> res;

int curtime;

void Init() {
	res.pb();
}

void TypeLetter(char L) {

	res.pb(res.back());

	res.back().pb(L);

	++curtime;

}
void UndoCommands(int U) {

	res.pb(res[curtime - U]);

	++curtime;

}

char GetLetter(int P) {
	return res.back()[P];
}

• Subtask 1: 5 / 5
• Subtask 2: 7 / 7
• Subtask 3: 22 / 22
• Subtask 4: 0 / 26
• Subtask 5: 0 / 40