Submission #947171

#	Time	Username	Problem	Language	Result	Execution time	Memory
947171		DJeniUp	Cloud Computing (CEOI18_clo)	C++17	100 / 100	1160 ms	2392 KiB

clo

#include <bits/stdc++.h>
//#pragma GCC optimize("Ofast")
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,fma")
#pragma GCC optimize("unroll-loops")

using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef pair<ll,ll>pairll;
typedef pair<ll,ull>pairull;
typedef pair<ll,pairll>pair3l;
typedef long double ld;
typedef pair<ld,ld>pairld;

typedef pair<string,ll>pairsl;

#define fr first
#define sc second
#define pb push_back
#define endl '\n'
#define N 100007
#define MOD 1000000007
#define INF 10000000000007
#define eps 0.00000000001
#define A 49
#define PI 3.14159265359

ll n,m,dp[2][2007][A+7];

struct D{
    ll c,f,v;
}d[2007],t[2007];

bool mcp(D d1, D d2){
    return d1.f<d2.f;
}

int main(){

    ios_base::sync_with_stdio(0);
    cout.tie(0);
    cin.tie(0);

    //cin>>m;
    scanf("%lld", &m);
    for(int i=1;i<=m;i++){
        //cin>>t[i].c>>t[i].f>>t[i].v;
        scanf("%lld %lld %lld", &t[i].c, &t[i].f, &t[i].v);
    }
    sort(t+1,t+1+m,mcp);
    //cin>>n;
    scanf("%lld", &n);
    for(int i=1;i<=n;i++){
        //cin>>d[i].c>>d[i].f>>d[i].v;
        scanf("%lld %lld %lld", &d[i].c, &d[i].f, &d[i].v);
    }
    sort(d+1,d+1+n,mcp);
    for(int i=0;i<2;i++){
        for(int j=1;j<=m+1;j++){
            for(int k=1;k<=A+1;k++){
                dp[i][j][k]=-INF;
            }
        }
    }
    d[n+1].f=d[n].f;
    for(int i1=n+1;i1>=1;i1--){
        swap(dp[0],dp[1]);
        for(int j=1;j<=m;j++){
            for(int k=1;k<=max(d[i1].c,max(d[i1-1].c,t[j].c))+1;k++){
                dp[0][j][k]=-INF;
            }
        }
        ll i=0;
        for(int j=m;j>=1;j--){
            for(int k=max(d[i1].c,max(d[i1-1].c,t[j].c));k>=0;k--){
               // cout<<i<<" "<<j<<" "<<k<<endl;
                dp[i][j][k]=max(dp[i+1][j][k],max(dp[i][j+1][k],dp[i][j][k+1]));
                if(t[j].f>=d[i1].f && k+d[i1].c-t[j].c>=0 && k+d[i1].c-t[j].c<=A)dp[i][j][k]=max(dp[i][j][k],dp[i+1][j+1][k+d[i1].c-t[j].c]+d[i1].v-t[j].v);
                if(t[j].f>=d[i1-1].f && k-t[j].c>=0)dp[i][j][k]=max(dp[i][j+1][k-t[j].c]-t[j].v,dp[i][j][k]);
                if(k+d[i1].c<=A)dp[i][j][k]=max(dp[i][j][k],dp[i+1][j][k+d[i1].c]+d[i1].v);
                //if(k<=30)cout<<i<<" "<<j<<" "<<k<<" "<<dp[i][j][k]<<endl;
            }
        }
    }
    cout<<dp[0][1][0]<<endl;

    return 0;
}

Compilation message (stderr)

clo.cpp: In function 'int main()':
clo.cpp:47:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   47 |     scanf("%lld", &m);
      |     ~~~~~^~~~~~~~~~~~
clo.cpp:50:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   50 |         scanf("%lld %lld %lld", &t[i].c, &t[i].f, &t[i].v);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
clo.cpp:54:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   54 |     scanf("%lld", &n);
      |     ~~~~~^~~~~~~~~~~~
clo.cpp:57:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   57 |         scanf("%lld %lld %lld", &d[i].c, &d[i].f, &d[i].v);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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