Submission #41319

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
41319	2018-02-15 22:52:13	nibnalin	Election Campaign (JOI15_election_campaign)	C++14	100 / 100	411 ms	172892 KiB

election_campaign

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#include <iostream>
#include <cstdio>
#include <vector>
using namespace std;
const int maxn = int(2e5)+5, maxlog = 19;
int n, ctr = 0, st[4*maxn+10], start[maxn], en[maxn], H[maxn], dp[maxn], T[maxn][maxlog+1];
vector<int> graph[maxn];
vector<int> C[maxn];
vector<pair<int, int>> A[maxn];
vector<pair<int, int>> B[maxn];
inline int left(int node) { return (node<<1); }
inline int right(int node) { return (node<<1)+1; }
void upd(int node, int L, int R, int a, int b, int v)
{
  if(a > R || b < L) return;
  else if(a <= L && R <= b) st[node] += v;
  else
  {
    upd(left(node), L, (L+R)/2, a, b, v);
    upd(right(node), (L+R)/2+1, R, a, b, v);
  }
}
int qry(int node, int L, int R, int a)
{
  if(L == R) return st[node];
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

election_campaign.cpp: In function 'int main()':
election_campaign.cpp:117:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
election_campaign.cpp:120:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &x, &y);
                        ^
election_campaign.cpp:133:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &m);
                 ^
election_campaign.cpp:136:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d", &x, &y, &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