제출 #74291

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
74291	2018-08-30 22:35:43	Bruteforceman	Regions (IOI09_regions)	C++11	100 / 100	6595 ms	75512 KiB

regions

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#include "bits/stdc++.h"
using namespace std;
int N, R, Q;
int a[200010], p[200010];
const int magic = 200;
const int chunk = 5 + (200000 / magic);
int ans[chunk][25001];
vector <int> g[200010];
int idx[25001];
int current;
int tot[25001];
void dfs(int x, int cnt) {
  cnt += (current == a[x]);
  if(a[x] != current) {
    ans[idx[current]][a[x]] += cnt;
  }
  for(auto i : g[x]) {
    dfs(i, cnt);
  }
} 
int in[200010];
int out[200010];
vector <int> v[25001];
vector <int> nodes[25001];
int cur;
void go(int x) {
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

컴파일 시 표준 에러 (stderr) 메시지

regions.cpp: In function 'int main(int, const char**)':
regions.cpp:44:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d", &N, &R, &Q);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
regions.cpp:46:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   if(i == 1) scanf("%d", &a[i]);
              ~~~~~^~~~~~~~~~~~~
regions.cpp:47:13: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   else scanf("%d %d", &p[i], &a[i]);
        ~~~~~^~~~~~~~~~~~~~~~~~~~~~~
regions.cpp:67:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &p, &q);
   ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 15 / 15
• Subtask 2: 85 / 85