codeforces 686A A. Free Ice Cream(水题)

题目链接:

A. Free Ice Cream

//#include <bits/stdc++.h>
#include <vector>
#include <iostream>
#include <queue>
#include <cmath>
#include <map>
#include <cstring>
#include <algorithm>
#include <cstdio>

using namespace std;
#define Riep(n) for(int i=1;i<=n;i++)
#define Riop(n) for(int i=0;i<n;i++)
#define Rjep(n) for(int j=1;j<=n;j++)
#define Rjop(n) for(int j=0;j<n;j++)
#define mst(ss,b) memset(ss,b,sizeof(ss));
typedef long long LL;
template<class T> void read(T&num) {
    char CH; bool F=false;
    for(CH=getchar();CH<'0'||CH>'9';F= CH=='-',CH=getchar());
    for(num=0;CH>='0'&&CH<='9';num=num*10+CH-'0',CH=getchar());
    F && (num=-num);
}
int stk[70], tp;
template<class T> inline void print(T p) {
    if(!p) { puts("0"); return; }
    while(p) stk[++ tp] = p%10, p/=10;
    while(tp) putchar(stk[tp--] + '0');
    putchar('
');
}

const LL mod=1e9+7;
const double PI=acos(-1.0);
const LL inf=1e18;
const int N=(1<<18)+10;
const int maxn=1005;


int n,x;

int main()
{
    read(n);read(x);
    LL sum=x,num=0;
    while(n--)
    {
        char m;
        LL a;
        cin>>m>>a;
        if(m=='-')
        {
        if(sum>=a)sum-=a;
        else num++;
        }
        else sum+=a;
    }
    cout<<sum<<" "<<num<<"
";


        return 0;
}
原文地址:https://www.cnblogs.com/zhangchengc919/p/5613094.html