SWEA 1940 - 가랏! RC카!

문제 링크 : https://www.swexpertacademy.com/main/code/problem/problemDetail.do?contestProbId=AV5PjMgaALgDFAUq

문제의 저작권은 SW Expert Academy에 있습니다.

#include <iostream>
 
using namespace std;
 
int main(void) {
    int T, N, CMD, delta;
    cin >> T;
 
    for(int t_case=0; t_case<T; t_case++) {
        int speed=0, distance = 0;
 
        cin >> N;
        for(int i=0; i<N; i++) {
            cin >> CMD;
            switch(CMD) {
                case 0:
                    distance += speed;
                    break;
                case 1:
                    cin >> delta;
                    speed += delta;
                    distance += speed;
                    break;
                case 2:
                    cin >> delta;
                    speed -= delta;
                    if(speed < 0)
                        speed = 0;
                    distance += speed;
                    break;
            }
        }
 
        cout << "#" << t_case+1 << " " << distance << "\n";
    }
 
    return 0;
}