Submission #722940

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
722940	2023-04-13 06:05:08	dxz05	Boarding Passes (BOI22_passes)	C++17	60 / 100	2045 ms	2064 KiB

passes

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define all(x) (x).begin(), (x).end()
#define MP make_pair
const int N = 100500;
long long exp_inv(ll n){
    return (long double) n * (n - 1); // should be divided by 4
}
ll dp[1 << 15];
void solve(){
    string s;
    cin >> s;
    int n = (int)s.size();
    vector<vector<int>> pos;
    map<char, int> id;
    for (int i = 0; i < n; i++){
        if (id.find(s[i]) == id.end()){
            id[s[i]] = (int) id.size();
            pos.emplace_back();
        }
        pos[id[s[i]]].push_back(i);
    }
 
 
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Compilation message (stderr)

passes.cpp: In function 'void solve()':
passes.cpp:35:9: warning: unused variable 'm2' [-Wunused-variable]
   35 |     int m2 = m1 + 1;
      |         ^~
passes.cpp:37:17: warning: unused variable 'ans' [-Wunused-variable]
   37 |     long double ans = 5e18;
      |                 ^~~

• Subtask 1: 5 / 5
• Subtask 2: 25 / 25
• Subtask 3: 30 / 30
• Subtask 4: 0 / 40