1598. 文件夹操作日志搜集器

class Solution:
    def minOperations(self, logs: List[str]) -> int:
        ans = 0
        for v in logs:
            if v == "../":
                ans = max(0, ans - 1)
            elif v[0] != ".":
                ans += 1
        return ans

class Solution {
    public int minOperations(String[] logs) {
        int ans = 0;
        for (var v : logs) {
            if ("../".equals(v)) {
                ans = Math.max(0, ans - 1);
            } else if (v.charAt(0) != '.') {
                ++ans;
            }
        }
        return ans;
    }
}

class Solution {
public:
    int minOperations(vector<string>& logs) {
        int ans = 0;
        for (auto& v : logs) {
            if (v == "../") {
                ans = max(0, ans - 1);
            } else if (v[0] != '.') {
                ++ans;
            }
        }
        return ans;
    }
};

func minOperations(logs []string) int {
	ans := 0
	for _, v := range logs {
		if v == "../" {
			if ans > 0 {
				ans--
			}
		} else if v[0] != '.' {
			ans++
		}
	}
	return ans
}

function minOperations(logs: string[]): number {
    let depth = 0;
    for (const log of logs) {
        if (log === '../') {
            depth = Math.max(0, depth - 1);
        } else if (log !== './') {
            depth++;
        }
    }
    return depth;
}

impl Solution {
    pub fn min_operations(logs: Vec<String>) -> i32 {
        let mut depth = 0;
        for log in logs.iter() {
            if log == "../" {
                depth = (0).max(depth - 1);
            } else if log != "./" {
                depth += 1;
            }
        }
        depth
    }
}

#define max(a, b) (((a) > (b)) ? (a) : (b))

int minOperations(char** logs, int logsSize) {
    int depth = 0;
    for (int i = 0; i < logsSize; i++) {
        char* log = logs[i];
        if (!strcmp(log, "../")) {
            depth = max(0, depth - 1);
        } else if (strcmp(log, "./")) {
            depth++;
        }
    }
    return depth;
}