Submission #504042

#	Time	Username	Problem	Language	Result	Execution time	Memory
504042		ToroTN	Cloud Computing (CEOI18_clo)	C++14	36 / 100	133 ms	716 KiB

clo

#include<bits/stdc++.h>
using namespace std;
long long n,m,c,f,value,c2,f2,value2,dp[2][10005],core,cost,type,fraud;
vector<tuple<long long,long long,long long,long long> > v;
int main()
{
    scanf("%lld",&n);
    for(int i=1;i<=n;i++)
    {
        scanf("%lld%lld%lld",&c,&f,&value);
        v.push_back({f,c,value,2});
    }
    scanf("%lld",&m);
    for(int i=1;i<=m;i++)
    {
        scanf("%lld%lld%lld",&c2,&f2,&value2);
        v.push_back({f2,c2,value2,1});
    }
    v.push_back({-1,-1,-1,-1});
    sort(v.begin(),v.end());
    for(int i=0;i<=1;i++)
    {
        for(int j=0;j<=10000;j++)
        {
            dp[i][j]=-1e18;
        }
    }
    dp[0][0]=0;
    for(int i=1;i<=n+m;i++)
    {
        fraud=get<0>(v[i]);
        core=get<1>(v[i]);
        cost=get<2>(v[i]);
        type=get<3>(v[i]);
        //printf("%lld %lld %lld %lld\n",fraud,core,cost,type);
    }
    for(int i=1;i<v.size();i++)
    {
        fraud=get<0>(v[i]);
        core=get<1>(v[i]);
        cost=get<2>(v[i]);
        type=get<3>(v[i]);
        //printf("%d %d %d %d\n",fraud,core,cost,type);
        for(int j=0;j<=10000;j++)
        {
            dp[i%2][j]=-1e18;
        }
        for(int j=0;j<=10000;j++)
        {
            if(type==1)
            {
                if(j+core<=10000)
                {
                    dp[i%2][j+core]=max(dp[i%2][j+core],dp[1-(i%2)][j]+cost);
                }
            }else
            {
                dp[i%2][max(j-core,(long long)0)]=max(dp[i%2][max(j-core,(long long)0)],dp[1-(i%2)][j]-cost);
            }
        }
        for(int j=0;j<=10000;j++)
        {
            dp[i%2][j]=max(dp[i%2][j],dp[1-(i%2)][j]);
        }
        /*printf("%d\n",i);
        for(int j=0;j<=20;j++)
        {
            printf("%lld ",dp[i%2][j]);
        }
        printf("\n");*/
    }
    printf("%lld\n",dp[(n+m)%2][0]);
}

Compilation message (stderr)

clo.cpp: In function 'int main()':
clo.cpp:37:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::tuple<long long int, long long int, long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |     for(int i=1;i<v.size();i++)
      |                 ~^~~~~~~~~
clo.cpp:7:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |     scanf("%lld",&n);
      |     ~~~~~^~~~~~~~~~~
clo.cpp:10:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |         scanf("%lld%lld%lld",&c,&f,&value);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
clo.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |     scanf("%lld",&m);
      |     ~~~~~^~~~~~~~~~~
clo.cpp:16:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |         scanf("%lld%lld%lld",&c2,&f2,&value2);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 18 / 18
• Subtask 2: 0 / 18
• Subtask 3: 18 / 18
• Subtask 4: 0 / 18
• Subtask 5: 0 / 18
• Subtask 6: 0 / 10