제출 #654144

#제출 시각아이디문제언어결과실행 시간메모리
654144aebovFinancial Report (JOI21_financial)C++17
컴파일 에러
0 ms0 KiB
#include<iostream> #include<algorithm> #include<vector> #include<utility> #define ln (e-s+1) #define md ((e+s)/2) #define dm ((e+s)/2 + 1) #define lc (id*2) #define rc (id*2 + 1) #define ll long long #define F first #define S second #define pll pair<ll , ll> #define pii pair<int, int> #define pb push_back using namespace std; const int N = (int)1e5 +5, inf = (int)1e9 + 7; int n, d, a[N]; int dp[N]; vector<int> vct; //int seg[N][N << 2]; void upd(int k, int p,int x,int id = 1,int s = 1,int e = n){ if(p < s || p > e)return; if(ln == 1){ seg[k][id] = max(seg[k][id], x); return; } if(p>= s&&p <= md)upd(k , p, x, lc, s, md); if(p>=dm&&p <= e)upd(k, p, x, rc, dm, e); seg[k][id] = max(seg[k][lc], seg[k][rc]); } //void build(int k, int id = 1,int s) int get(int k,int l,int r,int id = 1,int s = 1,int e = n){ if(r < s|| l > e)return 0; if(l <= s && e <= r)return seg[k][id]; return max(get(k, l, r, lc, s, md), get(k, l, r, rc, dm , e)); } bool wef; int few, ret; int main(){ //ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); scanf("%d%d", &n, &d); for(int i = 1; i <= n; i ++) scanf("%d", &a[i]), vct.pb(a[i]); sort(vct.begin(), vct.end()); unique( vct.begin(), vct.end()); for(int i = 1; i <= n; i ++){ a[i] = (lower_bound(vct.begin(), vct.end(), a[i]) - vct.begin()); } for(int i = 1; i <= n; i ++){ dp[i] = wef = 1; few = 0; for(int j = i - 1 ; j ; j --){ if(wef && a[j] < a[i]) dp[i] = max( dp[i], dp[j] + 1); (a[j] >= a[i])? few ++: few =0; if(few >= d) wef = 0; } ret = max(ret,dp[i]); } cout << ret <<endl; return 0; }

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'void upd(int, int, int, int, int, int)':
Main.cpp:27:3: error: 'seg' was not declared in this scope
   27 |   seg[k][id] = max(seg[k][id], x);
      |   ^~~
Main.cpp:32:2: error: 'seg' was not declared in this scope
   32 |  seg[k][id] = max(seg[k][lc], seg[k][rc]);
      |  ^~~
Main.cpp: In function 'int get(int, int, int, int, int, int)':
Main.cpp:37:29: error: 'seg' was not declared in this scope
   37 |  if(l <= s && e <= r)return seg[k][id];
      |                             ^~~
Main.cpp: In function 'int main()':
Main.cpp:44:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   44 |  scanf("%d%d", &n, &d);
      |  ~~~~~^~~~~~~~~~~~~~~~
Main.cpp:45:36: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   45 |  for(int i = 1; i <= n; i ++) scanf("%d", &a[i]), vct.pb(a[i]);
      |                               ~~~~~^~~~~~~~~~~~~