用了ull，也清空了栈，为什么还是只有33分？

nowornever0625 @ 2024-10-06 10:12:24

#include <bits/stdc++.h>
using namespace std;

unsigned long long t, n, x;
string s;
stack<int>st;

int main() {
    //freopen("tmp.in", "r", stdin);
    cin >> t;
    while (t--) {
        cin >> n;
        while (n--) {
            cin >> s;
            if (s[2] == 's') {
                cin >> x;
                st.push(x);
            }
            if (s[1] == 'o') {
                if (st.empty())
                    cout << "Empty" << endl;
                else
                    st.pop();
            }
            if (s[0] == 'q') {
                if (st.empty())
                    cout << "Anguei!" << endl;
                else
                    cout << st.top() << endl;
            }
            if (s[0] == 's')
                cout << st.size() << endl;
        }
        while (!st.empty()) {
            st.pop();
        }
    }
    return 0;
}

by Wang_Xu @ 2024-10-06 10:21:10

#include<bits/stdc++.h>
#include<stack>
using namespace std;
stack<unsigned long long int>q;
int n;
int a;
int main(){
    cin>>n;
    long long v;
    for(int i=1;i<=n;i++)
    {
        cin>>a;
        for(int j=1;j<=a;j++)
        {
            string s;
            cin>>s;
            if(s=="push")
            {
                cin>>v;
                q.push(v);
            }
            else if(s=="pop")
            {
                if(q.empty())
                {
                    cout<<"Empty"<<'\n';
                }
                else{
                    q.pop();
                }
            }
            else if(s=="query")
            {
                if(q.empty())
                {
                    cout<<"Anguei!"<<'\n';
                }
                else{
                    cout<<q.top()<<'\n';
                }
            }
            else if(s=="size")
            {
                cout<<q.size()<<'\n';
            }
        }
        while(q.empty()==false)
        {
            q.pop();
        }
    }
    return 0;
}

@nowornever0625

by Wang_Xu @ 2024-10-06 10:21:42

@nowornever0625 oi oi oi

by nowornever0625 @ 2024-10-06 10:30:54

@Wang_Xu 能帮我看看，我的代码，哪里有问题吗？

by yuechenxi130407 @ 2024-10-06 10:31:07

#include <bits/stdc++.h>
using namespace std;
vector <unsigned long long> v;
int main() {
    int t;
    cin>>t;
    while (t--){
        int n;
        cin>>n;
        string s;
        for (int i=0;i<n;++i){
            cin>>s;
            if (s=="push"){
                unsigned long long x;
                cin>>x;
                v.push_back(x);
            }
            else{
                if (s=="pop"){
                    if (v.size())
                        v.pop_back();
                    else 
                        cout<<"Empty"<<endl;
                }
                else if(s=="size"){
                    cout<<v.size()<<endl;
                }
                else{
                    if (!v.size())
                        cout<<"Anguei!"<<endl;
                    else
                        cout<<v[v.size()-1]<<endl;
                }
            }
        }
        v.clear();
    }
    return 0;
}

by yuechenxi130407 @ 2024-10-06 10:31:53

vector yyds！（滑稽）

by nowornever0625 @ 2024-10-06 10:34:22

我终于知道为什么了，变量声明了unsigned long long，结果开栈开成了int，改成unsigned long long，就过了