Submission #217588

#	Time	Username	Problem	Language	Result	Execution time	Memory
217588		DystoriaX	Cloud Computing (CEOI18_clo)	C++14	18 / 100	6 ms	1408 KiB

clo

#include <bits/stdc++.h>

using namespace std;

struct node{
    int c, f, v;
};

int n, m;
vector<node> comp, dem;
priority_queue<int, vector<int>, greater<int> > pq;
long long ans = 0, dp[251][251];

bool cp(node a, node b){
    return a.f > b.f;
}

int main(){
    scanf("%d", &n);

    comp.resize(n + 1);
    for(int i = 1; i <= n; i++) scanf("%d%d%d", &comp[i].c, &comp[i].f, &comp[i].v);

    scanf("%d", &m);

    dem.resize(m + 1);
    for(int i = 1; i <= m; i++) scanf("%d%d%d", &dem[i].c, &dem[i].f, &dem[i].v);
    

    sort(comp.begin() + 1, comp.end(), cp);
    sort(dem.begin() + 1, dem.end(), cp);

    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= m; j++){
            dp[i][j] = max(dp[i][j], dp[i - 1][j]);
            dp[i][j] = max(dp[i][j], dp[i][j - 1]);

            if(comp[i].f >= dem[j].f) dp[i][j] = max(dp[i][j], dp[i - 1][j - 1] + dem[j].v - comp[i].v);
        }
    }

    printf("%lld\n", dp[n][m]);

    return 0;
}

Compilation message (stderr)

clo.cpp: In function 'int main()':
clo.cpp:19:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ~~~~~^~~~~~~~~~
clo.cpp:22:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(int i = 1; i <= n; i++) scanf("%d%d%d", &comp[i].c, &comp[i].f, &comp[i].v);
                                 ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
clo.cpp:24:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &m);
     ~~~~~^~~~~~~~~~
clo.cpp:27:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(int i = 1; i <= m; i++) scanf("%d%d%d", &dem[i].c, &dem[i].f, &dem[i].v);
                                 ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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