c语言

#include<stdio.h>
#include<math.h>

int main(void){
    int n, m;
    scanf("%d %d", &n, &m);
    double t[n + 1][2];
    t[0][0] = 1;
    t[0][1] = 0; 
    for(int i = 0 ; i < n ; i++){
        int a;
        double b;
        scanf("%d %lf", &a, &b);

        if(a == 1){
            t[i + 1][0] = t[i][0] * b;
            t[i + 1][1] = t[i][1];
        }
        if(a == 2){
            t[i + 1][0] = t[i][0];
            t[i + 1][1] = t[i][1] + b;
        }

    } 
    for(int i = 0 ; i < m ; i++){
        int x, y;
        double a, b;
        scanf("%d %d %lf %lf", &x, &y, &a ,&b);
        a = a * t[y][0] / t[x - 1][0];
        b = b * t[y][0] / t[x - 1][0];
        double c = a;
        a = a * cos(t[y][1] - t[x - 1][1]) - b * sin(t[y][1] - t[x - 1][1]);
        b = c * sin(t[y][1] - t[x - 1][1]) + b * cos(t[y][1] - t[x - 1][1]);
        printf("%lf %lf\n", a, b);
    }
    return 0;
}