洛谷基础赛 #9 & SFOI Round 1 赛后总结&致歉帖

#include <bits/stdc++.h>
using namespace std;
#define int long long
const int M = 1145141919810;
int rk01uid = 288866, rk012uid = 556042, rk0120uid = 483317, aker = 200;
int randbig() {
    int i = abs((rand() * rand() % M) * (rand() * rand() % M) % M) % M;
    int j = abs((rand() * rand() % M) * (rand() * rand() % M) % M) % M;
    int k = (i >> 3) ^ (j << 3);
    return k;
}
int randchg(int k) {
    k %= M;
    int r1 = (k * k) % M;
    int r2 = ((k / 01 + k / 012) % M + k / 0120) % M;
    int r = (r1 + r2) % M;
    return abs(r);
}
int randint(int l, int r) {
    return randchg(randbig()) % (r - l + 1) + l;
}
signed main() {
    srand(rk01uid + rk012uid + rk0120uid);
    set<int> s;
    for(int i = 1; i <= 20; i++) {
        int r = randint(1, aker);
        while(s.count(r)) r = randint(1, aker);
        cout<<"rk #"<<r<<endl; 
        s.insert(r);
    }
    return 0;
}

rk #140
rk #48
rk #128
rk #104
rk #167
rk #126
rk #97
rk #69
rk #15
rk #185
rk #31
rk #196
rk #80
rk #8
rk #127
rk #53
rk #184
rk #175
rk #2
rk #45