12325 - Zombie's Treasure Chest.

简单枚举+巧妙躲避大枚举量

#include<bits/stdc++.h>
using namespace std;
long long n,s1,v1,s2,v2,total;
int main() {
    ios::sync_with_stdio(false);
    long long T,maxn=0;
    cin>>T;
    while(T--) {
        cin>>n>>s1>>v1>>s2>>v2;
        total=0; long long kase=0,money=0;
        long long q1=n/s1,q2=n/s2,q3=max(s1,s2);
        long long mincomplex=min(min(q1,q2),q3);
        if(mincomplex==q1) {
            for(long long i=0;i<=q1;i++){
                kase=n-i*s1;
                money=i*v1+(kase/s2)*v2;
                if(money>=total) total=money;
            }
        }
        else if(mincomplex==q2) {
            for(long long i=0;i<=q2;i++){
                kase=n-i*s2;
                money=i*v2+(kase/s1)*v1;
                if(money>=total) total=money;
            }
        }
        else {
            if(s2*v1>s1*v2) {
                for(long long i=0;i<=s1-1;i++){
                    kase=n-i*s2;
                    money=i*v2+(kase/s1)*v1;
                    if(money>=total) total=money;
                }
            }
           else {
                for(long long i=0;i<=s2-1;i++) {
                    kase=n-i*s1;
                    money=i*v1+(kase/s2)*v2;
                    if(money>=total) total=money;
                }
               }
        }
        cout<<"Case #"<<++maxn<<": "<<total<<"\n";
    }
    return 0;
}

12325 - Zombie's Treasure Chest.