Submission #927936

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
927936	2024-02-15 14:13:09	TAhmed33	Crossing (JOI21_crossing)	C++98	100 / 100	844 ms	46848 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
#define int __int128
#define mid ((l + r) >> 1)
#define tl (node + 1)
#define tr (node + 2 * (mid - l + 1))
const int MOD = (1ll << 61) - 1;
const int b = 1e9 + 7;
map <char, int> ll = {
    {'J', 0},
    {'O', 1},
    {'I', 2}
}; 
long long n;
const int MAXN = 200025;
int pw[MAXN];
int inv[MAXN];
int sub (int a, int b) {
    if (!b) return pw[a];
    return (pw[a] - pw[b - 1] + MOD) % MOD;
}
struct SegmentTree {
    int tree[2 * MAXN], lazy[2 * MAXN];
    void prop (int l, int r, int node) {
        if (-1 == lazy[node]) return;
        if (l == r) {
            tree[node] = (lazy[node] * sub(l, l)) % MOD;
            lazy[node] = -1;
            return;
        }
 
 
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• Subtask 1: 3 / 3
• Subtask 2: 23 / 23
• Subtask 3: 23 / 23
• Subtask 4: 51 / 51