Commando War, UVa 11729

#include
#include
#include
using namespace std;

struct Job{
    int j, b;
    bool operator < (const Job& x) const{ //运算符重载。不要忘记const修饰符
        return j > x.j; 
    }
};

int main(){
    int n, b, j, kase = 1;
    while(scanf("%d", &n) == 1 && n){
        vector v;
        for(int i = 0; i < n; i++){
            scanf("%d%d", &b, &j);
            v.push_back((Job) {j, b};
        }
        sort(v.begin(), v.end());       //使用Job类自己的 < 运算符排序
        int s = 0;
        int ans = 0;
        for(int i = 0; i < n; i++){
            s += v[i].b;
            ans = max(ans, s + v[i].j);  //更新任务执行完毕时的最晚时间 
        } 
        printf("Case %d: %d\n", kase++, ans);
    } 
    return 0;
}