Submission #35378

#	Time	Username	Problem	Language	Result	Execution time	Memory
35378		RockyB	ZigZag (COCI17_zigzag)	C++14	48 / 80	86 ms	11156 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
	Kazakhstan
	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:51:32: warning: array subscript has type 'char' [-Wchar-subscripts]
   pair <int, string> it = *st[x].begin();
                                ^
zigzag.cpp:53:7: warning: array subscript has type 'char' [-Wchar-subscripts]
   st[x].erase(it);
       ^
zigzag.cpp:55:7: warning: array subscript has type 'char' [-Wchar-subscripts]
   st[x].insert(it);
       ^

• Subtask 1: 48 / 80