Submission #502187

#	Time	Username	Problem	Language	Result	Execution time	Memory
502187		RambaXGorilla	Cloud Computing (CEOI18_clo)	C++17	100 / 100	715 ms	2184 KiB

clo

#include<cstdio>
#include<algorithm>
#include<functional>
#include<vector>
using namespace std;
typedef long long ll;
int N, M;
vector <int> comps[4010];
ll curr[100001];
ll next_[100001] = {};
int main(){
    scanf("%d",&N);
    for(int i = 0;i < N;i++){
        comps[i] = vector <int> (4);
        scanf("%d%d%d",&comps[i][2],&comps[i][0],&comps[i][3]);
        comps[i][1] = 1;
    }
    scanf("%d",&M);
    for(int i = N;i < N + M;i++){
        comps[i] = vector <int> (4);
        scanf("%d%d%d",&comps[i][2],&comps[i][0],&comps[i][3]);
        comps[i][1] = 0;
    }
    sort(comps, comps + N + M, greater <vector <int>> ());
    for(int i = N + M - 1;i > -1;i--){
        for(int j = 0;j < 100001;j++){
            if(comps[i][1]){
                curr[j] = max(next_[j], next_[min(comps[i][2] + j, 100000)] - comps[i][3]);
            }
            else{
                curr[j] = next_[j];
                if(j >= comps[i][2]){
                    curr[j] = max(curr[j], next_[j - comps[i][2]] + comps[i][3]);
                }
            }
        }
        copy(curr, curr + 100001, next_);
    }
    printf("%lld",curr[0]);
}

Compilation message (stderr)

clo.cpp: In function 'int main()':
clo.cpp:12:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |     scanf("%d",&N);
      |     ~~~~~^~~~~~~~~
clo.cpp:15:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |         scanf("%d%d%d",&comps[i][2],&comps[i][0],&comps[i][3]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
clo.cpp:18:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |     scanf("%d",&M);
      |     ~~~~~^~~~~~~~~
clo.cpp:21:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |         scanf("%d%d%d",&comps[i][2],&comps[i][0],&comps[i][3]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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