September 7 2020: Started Competitive Programming

January 2021: First USACO contest (promoted to silver)

March 2021: 100 points on DMOJ

March 13 2021: First IOI problem: Party Lamps

May 5: 200 points and 100 problems solved on DMOJ

C++ template

#include <bits/stdc++.h>
#define int long long
#define mp make_pair
#define LL long long 
#define pii pair<int,int>
#define x first
#define y second
#define pb push_back
#define MEM(x) memset(x,0,sizeof(x))
#define MEMS(x) memset(x,-1,sizeof(x))
using namespace std;

int main(){
    cin.sync_with_stdio(0);
    cin.tie(0);

}

C Code by Andy Sloane

int main() {
float A = 0, B = 0;
float i, j;
int k;
float z[1760];
char b[1760];
printf("\x1b[2J");
for(;;) {
    memset(b,32,1760);
    memset(z,0,7040);
    for(j=0; j < 6.28; j += 0.07) {
        for(i=0; i < 6.28; i += 0.02) {
            float c = sin(i);
            float d = cos(j);
            float e = sin(A);
            float f = sin(j);
            float g = cos(A);
            float h = d + 2;
            float D = 1 / (c * h * e + f * g + 5);
            float l = cos(i);
            float m = cos(B);
            float n = sin(B);
            float t = c * h * g - f * e;
            int x = 40 + 30 * D * (l * h * m - t * n);
            int y= 12 + 15 * D * (l * h * n + t * m);
            int o = x + 80 * y;
            int N = 8 * ((f * e - c * d * g) * m - c * d * e - f * g - l * d * n);
            if(22 > y && y > 0 && x > 0 && 80 > x && D > z[o]) {
                z[o] = D;
                b[o] = ".,-~:;=!*#$@"[N > 0 ? N : 0];
            }
        }
    }
    printf("\x1b[H");
    for(k = 0; k < 1761; k++) {
        putchar(k % 80 ? b[k] : 10);
        A += 0.00004;
        B += 0.00002;
    }
    usleep(30000);
}
return 0;
}

To-do

https://dmoj.ca/problem/ccc13s3 https://dmoj.ca/problem/bts17p5 https://dmoj.ca/problem/ccc15s4 https://dmoj.ca/problem/ccc01s3 https://dmoj.ca/problem/ccc20s4 https://dmoj.ca/problem/ioi13p1 https://dmoj.ca/problem/ccc21s5 https://dmoj.ca/problem/ioi00p1 https://dmoj.ca/problem/brittlebridges https://dmoj.ca/problem/ccc18s3