Submission #1152153

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1152153	2025-02-17 17:47:34	knhatdev	Linear Garden (IOI08_linear_garden)	C++20	80 / 100	66 ms	131072 KiB

linear_garden

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#include <bits/stdc++.h>
#define int long long
#define ii pair<int,int>
#define fi first
#define se second
using namespace std;
const int N = 1e6 + 5;
int n, m, dp[N][5][5], ans = 1;
string s;
main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    cin >> n >> m >> s;
    s = ' ' + s;
    for(int i = n; i >= 0; i--){
        for(int j = 2; j >= 0; j--){
            for(int k = 2; k >= 0; k--){
                if(i == n){
                    dp[i][j][k] = 1;
                    continue;
                }
                dp[i][j][k] = (dp[i + 1][max(j - 1, 0ll)][k + 1] + dp[i + 1][j + 1][max(k - 1, 0ll)]) % m;
            }
        }
    }
    int x = 0, y = 0;
    for(int i = 1; i <= n; i++){
        if(s[i] == 'L'){
            x++;
 
 
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Compilation message (stderr)

linear_garden.cpp:11:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   11 | main() {
      | ^~~~

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