cpp模版

template.cpp

@@ -0,0 +1,12 @@
+#include<iostream>
+#include<vector>
+
+class Solution {
+    public:
+
+};
+
+int main(){
+    
+    return 0;
+}

validParentheses.cpp

@@ -0,0 +1,50 @@
+#include<iostream>
+#include<stack>
+
+using namespace std;
+
+class Solution {
+    public:
+        bool isValid(string s) {
+            stack<char> str;
+            for(auto i: s){
+                switch(i){
+                    case '(':
+                    case '{':
+                    case '[':
+                    str.push(i);
+                    break;
+                    default:
+                    if(str.size() == 0){
+                        return false;
+                    }
+                    switch(i){
+                        case ')':
+                        if (str.top() != '('){return false;}
+                        else{str.pop();}
+                        break;
+                        case ']':
+                        if (str.top() != '['){return false;}
+                        else{str.pop();}
+                        break;
+                        case '}':
+                        if (str.top() != '{'){return false;}
+                        else{str.pop();}
+                        break;
+                    }
+                }
+            }
+            if(str.size() == 0){
+            return true;
+            }
+            else{
+                return false;
+            }
+    
+        }
+    };
+
+int main(){
+    cout << Solution().isValid("([])");
+    return 0;
+}