cp/codeforces/827/f.cc
2025-05-16 22:04:03 -05:00

124 lines
2.2 KiB
C++

#include <bits/stdc++.h> // {{{
// https://codeforces.com/blog/entry/96344
#pragma GCC optimize("O2,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
using namespace std;
using i32 = int32_t;
using u32 = uint32_t;
using i64 = int64_t;
using u64 = uint64_t;
using f64 = double;
using f128 = long double;
#if __cplusplus >= 202002L
template <typename T>
constexpr T MIN = std::numeric_limits<T>::min();
template <typename T>
constexpr T MAX = std::numeric_limits<T>::max();
template <typename T>
[[nodiscard]] static T sc(auto&& x) {
return static_cast<T>(x);
}
template <typename T>
[[nodiscard]] static T sz(auto&& x) {
return static_cast<T>(x.size());
}
#endif
static void NO() {
std::cout << "NO\n";
}
static void YES() {
std::cout << "YES\n";
}
template <typename T>
using vec = std::vector<T>;
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define ff first
#define ss second
#ifdef LOCAL
#define db(...) std::print(__VA_ARGS__)
#define dbln(...) std::println(__VA_ARGS__)
#else
#define db(...)
#define dbln(...)
#endif
// }}}
void solve() {
u32 q;
cin >> q;
vec<u64> S(26, 0), T(26, 0);
u64 scount = 1, tcount = 1;
S[0] = T[0] = 1;
u64 cmd, k;
string x;
for (u64 i = 0; i < q; ++i) {
cin >> cmd >> k >> x;
if (cmd == 1) {
for (auto c : x) {
S[c - 'a'] += k;
}
scount += k * x.size();
} else {
for (auto c : x) {
T[c - 'a'] += k;
}
tcount += k * x.size();
}
int loS = 0;
while (loS < 26 && S[loS] == 0)
++loS;
int hiT = 25;
while (hiT >= 0 && T[hiT] == 0)
--hiT;
bool ok;
if (loS < hiT) {
ok = true;
} else if (loS > hiT) {
ok = false;
} else {
int c = loS;
bool biggerInS = false;
for (int ch = c + 1; ch < 26 && !biggerInS; ++ch)
biggerInS = S[ch] > 0;
if (biggerInS)
ok = false;
else
ok = S[c] < T[c];
}
cout << (ok ? "YES\n" : "NO\n");
}
}
int main() { // {{{
cin.tie(nullptr)->sync_with_stdio(false);
cin.exceptions(cin.failbit);
u32 tc = 1;
cin >> tc;
for (u32 t = 0; t < tc; ++t) {
solve();
}
return 0;
}
// }}}