Submission #788445

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
788445	2023-07-20 08:42:44	tatyam	Fish (IOI08_fish)	C++17	0 / 100	125 ms	14840 KiB

fish

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#include <bits/stdc++.h>
using namespace std;
int M;
struct mint {
    int x = 0;
    mint& operator+=(mint a) {
        x += a.x;
        if(x >= M) x -= M;
        return *this;
    }
    mint operator+(mint a) const {
        return mint{*this} += a;
    }
};
struct Counter {
    vector<int> A;
    int kind = 0;
    Counter(int n): A(n) {}
    void add(int x) { if(A[x]++ == 0) kind++; }
    void del(int x) { if(--A[x] == 0) kind--; }
};
int main() {
    cin.tie(0)->sync_with_stdio(0);
    int F, K;
    cin >> F >> K >> M;
    vector<pair<int, int>> fish(F);
    for(auto& [L, J] : fish) {
 
 
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