3264. 蚂蚁

Brown897
#include <iostream>
#include <stack>
#include <queue>
using namespace std;

stack<int> s;
queue<int> q;
int main() {
    int n;
    cin>>n;
    for (int i = 0; i < n; ++i) {
        int flag=0,x=0;
        scanf("%d %d",&x,&flag);
        if (flag == 1){
            s.push(x);
        }else if (s.empty() && flag==0){
            q.push(x);
        }else{
                while(!s.empty()){
                    int a = s.top();
                    if (x>a) s.pop();
                    else{
                        break;
                    }
                }
                if (s.empty()) q.push(x);
        }
    }
    cout<<s.size()+q.size()<<endl;

    return 0;
}
shwei
#include <bits/stdc++.h>
using namespace std;
typedef pair <int,int> PII;
vector <PII> vec;
stack <PII> stk;
int main() {
    int N;
    cin >> N;
    for (int i = 0; i < N; i++) {
        int a, b;
        cin >> a >> b;
        vec.push_back(make_pair(a, b));
    }

    for (int i = 0; i < N; i++) {
        if (stk.empty()) {
            stk.push(vec[i]);
        } else {
            int d = vec[i].second;
            int topd = stk.top().second;
            int s = vec[i].first;
            int stks = stk.top().first;  
            if (d < topd && s > stks) {
                // judge empty write fisrt !!!
                // 1 0 1 1 0
                while (stk.size() != 0 && stk.top().first < s && stk.top().second != 0) {
                   // cout << stk.top().first << endl;
                    stk.pop();
                }
                if (stk.size() == 0) { 
                    stk.push(vec[i]);
                } else if (stk.top().second == 0) {
                    stk.push(vec[i]);
                }
            } else if (d >= topd) {
                stk.push(vec[i]);
            } 
        }
    }
    cout << stk.size();
    return 0;
}
10205101536

include

include

using namespace std;
int main(){
int height;
int lor;
int N;
cin>>N;
int cnt = 0;
stack rightStack;
int flag = 0;
for(int i =0;i>height;
cin>>lor;
if(lor==0){
if(rightStack.empty()){
cnt++;
continue;
}
while(!rightStack.empty()){
if(rightStack.top()<height){
rightStack.pop();
}
else{
flag = 1;
break;
}
}
if(!flag)
cnt++;
}
else{
rightStack.push(height);
}
}
while(!rightStack.empty()){
rightStack.pop();
cnt++;
}
cout<<cnt;
return 0;
}

kingno

这题的样例里好像混入了什么奇怪的字符,本地测试过不了(可能只有我过不了)

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