이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
// No bits/stdc++.h because clang
#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <set>
#include <map>
#include <queue>
#include <stack>
#include <cmath>
#include <cstring>
#include <iomanip>
#include <unordered_map>
#include <unordered_set>
#include <bitset>
#include <numeric>
#include <cassert>
#include <random>
#include <type_traits>
#include <list>
#include <tuple>
#include <climits>
// I don't know how any of these work, but its nice to have them
#pragma GCC optimize("Ofast,unroll-loops,no-stack-protector,fast-math,inline,unsafe-math-optimizations")
#pragma GCC target("avx,avx2,fma,sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
template <typename T>
void debug(T &x, std::string name = "")
{
if (name == "")
std::cerr << ":= " << x << "\n";
else
std::cerr << name << " = " << x << "\n";
}
template <typename T>
void debugArr(T &arr, int n = -1, std::string name = "")
{
if (n == -1)
n = sizeof(arr) / sizeof(arr[0]);
if (name == "")
std::cerr << ":= ";
else
std::cerr << name << " = ";
std::cerr << "[";
for (int i = 0; i < n; i++)
std::cerr << arr[i] << ","[i == n - 1];
std::cerr << "]"
<< "\n";
}
template <typename T>
void debugArr(std::vector<T> &arr, int n = -1, std::string name = "")
{
if (n == -1)
n = arr.size();
if (name == "")
std::cerr << ":= ";
else
std::cerr << name << " = ";
std::cerr << "[";
for (int i = 0; i < n; i++)
std::cerr << arr[i] << ","[i == n - 1];
std::cerr << "]"
<< "\n";
}
using namespace std;
/******************* Uncomment this for long long (TLE) *******************/
// #define int long long
#define vint vector<int>
#define pint pair<int, int>
#define mint map<int, int>
#define sint set<int>
#define msint multiset<int>
#define qint queue<int>
#define pqint priority_queue<int>
#define lint list<int>
#define stint stack<int>
#define gint greater<int>
#define pb push_back
#define mp make_pair
#define f first
#define s second
#define guv \
int u, v; \
cin >> u >> v
#define sz(x) (int)x.size()
#define cinarr(x, n) \
for (int i = 0; i < n; i++) \
cin >> x[i]
#define coutarr(x, n) \
for (int i = 0; i < n; i++) \
cout << x[i] << " "; \
cout << endl
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define _reset(x, y) memset(x, y, sizeof(x))
#define _mid ((l + r) >> 1)
#define endl "\n"
#define FASTIO ios_base::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr)
#define FILEIO freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout)
inline void swap(int &a, int &b)
{
a ^= b;
b ^= a;
a ^= b;
}
inline int gcd(int a, int b)
{
while (b)
{
a %= b;
swap(a, b);
}
return a;
}
/*
_____ ____ ____ ____ _ _ ____ _ __
/ __// _ \/ _ \/ _ \ / \ / \ /\/ _\/ |/ /
| | _| / \|| / \|| | \| | | | | ||| / | /
| |_//| \_/|| \_/|| |_/| | |_/\| \_/|| \_ | \
\____\____/\____/\____/ \____/\____/\____/\_|\_\
*/
inline void solve()
{
int n;
cin >> n;
string s;
cin >> s;
map<char, int> m;
for (int i = 0; i < n; i++)
m[s[i]]++;
int l = 0;
int r = n - 1;
for (int k = 0; k < n; ++k)
{
if (m[s[l]] == 1)
{
m[s[l]]--;
++l;
if (m[s[r]] == 1)
{
m[s[r]]--;
--r;
}
}
else if (m[s[r]] == 1)
{
m[s[r]]--;
--r;
}
else
{
break;
}
}
if (l > r)
{
cout << 1 << " " << 1 << endl;
return;
}
cout << l + 1 << " " << r + 1 << endl;
// My code is not working!!! Try these fixes:
// 1. Check for overflow (uncommenct #define int long long)
// 2. Check for array bounds
// 3. Check for array indexes, 1-indexed or 0-indexed?
// 4. Check for special cases (n=1?)
// 5. Check for multiple test cases (remember to clear global variables)
// 6. Check the limits of your data types maybe l <= r, maybe 0 <= n...
// Getting TLE? Try these fixes:
// 1. Delete the line: #define int long long
// 2. Use array instead of vector
// Getting WA? Good luck, you're on your own
}
signed main()
{
int t = 1;
FASTIO;
/******************* Uncomment this if you want to read from input.txt ********************/
/***************** Uncomment this if you want to test multiple test cases *****************/
// cin >> t;
for (int i = 1; i <= t; i++)
{
/**************** Uncomment this if you want to print the case number ****************/
// cout << "Case " << i << ":" << endl;
solve();
}
return '0' ^ '0';
}
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |