제출 #365528

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
365528	2021-02-11 19:55:26	LucaDantas	Toll (BOI17_toll)	C++17	0 / 100	48 ms	10860 KiB

toll

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#include<cstdio>
#include<vector>
#include<utility>
#include<algorithm>
using namespace std;
constexpr int maxn = 1e5+10, inf = 0x3f3f3f3f;
vector<pair<int,int>> g[maxn], query[maxn];
int K, dist_l[maxn][5], dist_r[maxn][5], next_dist_l[maxn][5], next_dist_r[maxn][5], ans[maxn];
void solve(int l, int r) {
  if(l == r) return;
  int m = (l+r) >> 1;
  solve(l, m); solve(m+1, r);
  for(int x = K*m; x < K*(m+1); x++)
    for(int y = 0; y < K; y++)
      dist_r[x][y] = 0;
  for(int i = K*l; i < K*(m+1); i++) {
    while(query[i].size() && query[i].back().first/K <= r) {
      auto [b, id] = query[i].back(); query[i].pop_back();
      for(int x = K*m; x < K*(m+1); x++)
        ans[id] = min(ans[id], dist_r[i][x-K*m]+dist_l[b][x-K*m]);
    }
  }
  for(int esq = 0; esq < K; esq++) {
 
 
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컴파일 시 표준 에러 (stderr) 메시지

toll.cpp: In function 'int main()':
toll.cpp:53:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   53 |  int n, m, q; scanf("%d %d %d %d", &K, &n, &m, &q);
      |               ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
toll.cpp:58:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   58 |   scanf("%d %d %d", &a, &b, &c);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
toll.cpp:63:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   63 |   int a, b; scanf("%d %d", &a, &b);
      |             ~~~~~^~~~~~~~~~~~~~~~~

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