Submission #104379

#	Time	Username	Problem	Language	Result	Execution time	Memory
104379		RockyB	ZigZag (COCI17_zigzag)	C++17	80 / 80	510 ms	12584 KiB

zigzag

/// In The Name Of God
 
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,sse3,sse4,popcnt,abm,mmx")
 
#include <bits/stdc++.h>
 
#define f first
#define s second
 
#define pb push_back
#define pp pop_back
#define mp make_pair
 
#define sz(x) (int)x.size()
#define sqr(x) ((x) * 1ll * (x))
#define all(x) x.begin(), x.end()
 
#define Kazakhstan ios_base :: sync_with_stdio(0), cin.tie(0), cout.tie(0);
 
#define nl '\n'
#define ioi exit(0);
 
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
 
const int N = (int)5e5 + 7, inf = (int)1e9 + 7, mod = (int)1e9 + 7;
const ll linf = (ll)1e18 + 7;
const int dx[] = {-1, 0, 1, 0, 1, -1, -1, 1}, dy[] = {0, 1, 0, -1, 1, -1, 1, -1};
 
using namespace std;
 
int n, k;
set < pair <int, string> > st[26];
int main() {
	#ifdef IOI2018
		freopen ("in.txt", "r", stdin);
	#endif
	cin >> n >> k;
	for (int i = 1; i <= n; i++) {
		string s;
		cin >> s;
		st[s[0] - 'a'].insert({0, s});
	}
	for (int i = 1; i <= k; i++) {
		char x;
		cin >> x;
		x -= 'a';
		pair <int, string> it = *st[x].begin();
		cout << it.s << nl;
		st[x].erase(it);
		it.f++;
		st[x].insert(it);
	}
	ioi
}

Compilation message (stderr)

zigzag.cpp: In function 'int main()':
zigzag.cpp:50:32: warning: array subscript has type 'char' [-Wchar-subscripts]
   pair <int, string> it = *st[x].begin();
                                ^
zigzag.cpp:52:7: warning: array subscript has type 'char' [-Wchar-subscripts]
   st[x].erase(it);
       ^
zigzag.cpp:54:7: warning: array subscript has type 'char' [-Wchar-subscripts]
   st[x].insert(it);
       ^

• Subtask 1: 80 / 80