제출 #256320

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
256320	2020-08-02 14:19:42	Saboon	Brunhilda’s Birthday (BOI13_brunhilda)	C++14	94.60 / 100	1101 ms	213972 KiB

brunhilda

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#include <bits/stdc++.h>
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
typedef long long ll;
 
const int maxn = 1e7 + 10;
 
short cnt[maxn];
int last[maxn], pre[maxn], p[maxn];
int Q[maxn], tail, head;
int dp[maxn];
bitset<maxn> mark;
 
int main(){
  ios_base::sync_with_stdio(false);
  int m, q;
  scanf("%d%d", &m, &q);
  int sz = 0;
  memset(last, -1, sizeof last);
  int mxmp = 0;
  while (m --){
    int x;
    scanf("%d", &x);
    if (mark[x])
      continue;
    mxmp = max(mxmp, x);
    mark[x] = 1;
    cnt[0] ++;
    p[sz] = x, pre[sz] = last[x], last[x] = sz ++;
  }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

brunhilda.cpp: In function 'int main()':
brunhilda.cpp:17:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &m, &q);
  ~~~~~^~~~~~~~~~~~~~~~
brunhilda.cpp:23:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &x);
   ~~~~~^~~~~~~~~~
brunhilda.cpp:67:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &x);
   ~~~~~^~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 18.88888888888889 / 20
• Subtask 3: 55.714285714285715 / 60