Submission #102696

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
102696	2019-03-26 20:22:28	tincamatei	Election Campaign (JOI15_election_campaign)	C++14	100 / 100	249 ms	30424 KiB

election_campaign

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#include <bits/stdc++.h>
using namespace std;
const int MAX_N = 100000;
const int MAX_M = 100000;
const int INF = 1000000000;
vector<int> graph[1+MAX_N];
vector<int> chainstart[1+MAX_N];
int dp[1+MAX_N], subarb[1+MAX_N], cost[MAX_N];
void calcSubarb(int nod, int papa = 0) {
  subarb[nod] = chainstart[nod].size();
  for(auto it: graph[nod])
    if(it != papa) {
      calcSubarb(it, nod);
      subarb[nod] += subarb[it];
    }
}
struct NodeCell {
  static int bestCost[1+MAX_N];
  static bool nodeExists[1+MAX_N];
  static int lazy;
  vector<pair<int, int> > chains;
  static void init() {
    for(int i = 0; i <= MAX_N; ++i)
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

election_campaign.cpp: In member function 'void NodeCell::reset()':
election_campaign.cpp:36:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i = 0; i < chains.size(); ++i) {
                  ~~^~~~~~~~~~~~~~~
election_campaign.cpp: In function 'int main()':
election_campaign.cpp:131:8: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  fscanf(fin, "%d", &N);
  ~~~~~~^~~~~~~~~~~~~~~
election_campaign.cpp:134:9: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   fscanf(fin, "%d%d", &a, &b);
   ~~~~~~^~~~~~~~~~~~~~~~~~~~~
election_campaign.cpp:139:8: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  fscanf(fin, "%d", &M);
  ~~~~~~^~~~~~~~~~~~~~~
election_campaign.cpp:142:9: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   fscanf(fin, "%d%d%d", &a, &b, &c);
   ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 30 / 30
• Subtask 5: 10 / 10
• Subtask 6: 40 / 40