Submission #146107

#TimeUsernameProblemLanguageResultExecution timeMemory
146107raghav0307Cloud Computing (CEOI18_clo)C++14
100 / 100
649 ms1528 KiB
#include <cstdio> #include <vector> #include <algorithm> using namespace std; struct Event { enum Type { Processor, Task }; Type type; int cores, frequency, price; Event(Type type, int cores, int frequency, int price) : type(type), cores(cores), frequency(frequency), price(price) { } }; const int MAXN = 2005, MAXC = 55, MAXDP = MAXN*MAXC; const long long int INF = 1000000000000000000LL; // 10^18 int n,m; vector<Event> events; long long int dp[MAXDP]; bool comp(const Event& event1, const Event& event2) { if (event1.frequency == event2.frequency) return event1.type < event2.type; return event1.frequency > event2.frequency; } int main() { scanf("%d", &n); for (int i = 0; i < n; ++i) { int c,f,v; scanf("%d%d%d", &c, &f, &v); events.push_back(Event(Event::Processor,c,f,v)); } scanf("%d", &m); for (int i = 0; i < m; ++i) { int c,f,v; scanf("%d%d%d", &c, &f, &v); events.push_back(Event(Event::Task,c,f,v)); } sort(events.begin(), events.end(), comp); for (int i = 0; i < MAXDP; ++i) dp[i] = -INF; dp[0] = 0; for (int i = 0; i < (int)events.size(); ++i) if (events[i].type == Event::Processor) for (int j = MAXDP-1; j >= 0; --j) { int index = j + events[i].cores; long long int value = dp[j] - events[i].price; if (index < MAXDP && dp[index] < value) dp[index] = value; } else for (int j = 0; j < MAXDP; ++j) { int index = j - events[i].cores; long long int value = dp[j] + events[i].price; if (index >= 0 && dp[j] != -INF && dp[index] < value) dp[index] = value; } long long int result = 0; for (int i = 0; i < MAXDP; ++i) result = max(result, dp[i]); printf("%lld\n", result); }

Compilation message (stderr)

clo.cpp: In function 'int main()':
clo.cpp:28:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &n);
   ~~~~~^~~~~~~~~~
clo.cpp:31:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d", &c, &f, &v);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~
clo.cpp:34:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &m);
   ~~~~~^~~~~~~~~~
clo.cpp:37:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d", &c, &f, &v);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~
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