結果

問題 No.2220 Range Insert & Point Mex
ユーザー chro_96chro_96
提出日時 2023-02-17 23:25:34
言語 C
(gcc 12.3.0)
結果
AC  
実行時間 385 ms / 2,000 ms
コード長 3,712 bytes
コンパイル時間 907 ms
コンパイル使用メモリ 32,640 KB
実行使用メモリ 20,180 KB
最終ジャッジ日時 2024-07-21 12:54:26
合計ジャッジ時間 9,097 ms
ジャッジサーバーID
(参考情報)
judge5 / judge2
このコードへのチャレンジ
(要ログイン)

テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 7 ms
19,072 KB
testcase_01 AC 6 ms
19,072 KB
testcase_02 AC 7 ms
18,976 KB
testcase_03 AC 8 ms
19,000 KB
testcase_04 AC 8 ms
18,988 KB
testcase_05 AC 7 ms
19,072 KB
testcase_06 AC 7 ms
19,052 KB
testcase_07 AC 6 ms
19,072 KB
testcase_08 AC 7 ms
18,944 KB
testcase_09 AC 8 ms
18,992 KB
testcase_10 AC 6 ms
19,000 KB
testcase_11 AC 7 ms
19,072 KB
testcase_12 AC 8 ms
19,072 KB
testcase_13 AC 382 ms
19,968 KB
testcase_14 AC 375 ms
20,096 KB
testcase_15 AC 374 ms
19,968 KB
testcase_16 AC 374 ms
19,968 KB
testcase_17 AC 385 ms
19,968 KB
testcase_18 AC 384 ms
20,180 KB
testcase_19 AC 380 ms
20,096 KB
testcase_20 AC 312 ms
19,984 KB
testcase_21 AC 306 ms
19,968 KB
testcase_22 AC 310 ms
20,160 KB
testcase_23 AC 171 ms
19,968 KB
testcase_24 AC 145 ms
19,584 KB
testcase_25 AC 122 ms
19,768 KB
testcase_26 AC 144 ms
19,828 KB
testcase_27 AC 55 ms
19,604 KB
testcase_28 AC 61 ms
19,456 KB
testcase_29 AC 63 ms
19,200 KB
testcase_30 AC 65 ms
19,200 KB
testcase_31 AC 142 ms
19,968 KB
testcase_32 AC 112 ms
19,584 KB
testcase_33 AC 117 ms
19,712 KB
testcase_34 AC 199 ms
20,096 KB
testcase_35 AC 216 ms
19,888 KB
testcase_36 AC 165 ms
19,984 KB
testcase_37 AC 176 ms
19,976 KB
testcase_38 AC 161 ms
20,096 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

#include <stdio.h>
#include <stdlib.h>

int cmp_int (const void *ap, const void *bp) {
  int a = *(int *)ap;
  int b = *(int *)bp;
  
  if (a < b) {
    return -1;
  }
  
  if (a > b) {
    return 1;
  }
  
  return 0;
}

void eval (int *t, int lazy[][2], int k, int l, int r) {
  if (lazy[k][0] <= 0) {
    return;
  }
  
  t[k] = lazy[k][0];
  if (r-l > 1) {
    if (t[2*k+1] >= lazy[k][1]-1 || lazy[2*k+1][0] >= lazy[k][1]-1) {
      lazy[2*k+1][0] = lazy[k][0];
      if (lazy[2*k+1][1] <= 0) {
        lazy[2*k+1][1] = lazy[k][1];
      }
    }
    if (t[2*k+2] >= lazy[k][1]-1 || lazy[2*k+2][0] >= lazy[k][1]-1) {
      lazy[2*k+2][0] = lazy[k][0];
      if (lazy[2*k+2][1] <= 0) {
        lazy[2*k+2][1] = lazy[k][1];
      }
    }
  }
  lazy[k][0] = 0;
  lazy[k][1] = 0;
  
  return;
}
 
void set_segt_rec (int *t, int lazy[][2], int a, int b, int val, int k, int l, int r) {
  eval(t, lazy, k, l, r);
  if (r <= a || b <= l) {
    return;
  }
  
  if (a <= l && r <= b) {
    if (t[k] >= val-1) {
      lazy[k][0] = val;
      lazy[k][1] = val;
      eval(t, lazy, k, l, r);
    }
    return;
  }
  
  set_segt_rec(t, lazy, a, b, val, 2*k+1, l, (l+r)/2);
  set_segt_rec(t, lazy, a, b, val, 2*k+2, (l+r)/2, r);
  
  t[k] = t[2*k+1];
  if (t[k] < t[2*k+2]) {
    t[k] = t[2*k+2];
  }
  
  return;
}
 
void set_segt (int *t, int lazy[][2], int a, int b, int val, int size) {
  set_segt_rec(t, lazy, a, b, val, 0, 0, size);
  return;
}
 
int max_segt_rec (int *t, int lazy[][2], int a, int b, int k, int l, int r) {
  int ans = 0;
  int tmp = 0;
  
  if (r <= a || b <= l) {
    return 0;
  }
  
  eval(t, lazy, k, l, r);
  
  if (a <= l && r <= b) {
    return t[k];
  }
  
  ans = max_segt_rec(t, lazy, a, b, 2*k+1, l, (l+r)/2);
  tmp = max_segt_rec(t, lazy, a, b, 2*k+2, (l+r)/2, r);
  
  if (ans < tmp) {
    ans = tmp;
  }
  
  return ans;
}
 
int max_segt (int *t, int lazy[][2], int a, int b, int size) {
  return max_segt_rec(t, lazy, a, b, 0, 0, size);
}

int main () {
  int n = 0;
  int l[100000] = {};
  int r[100000] = {};
  int a[100000][2] = {};
  int q = 0;
  int x[100000] = {};
  
  int res = 0;
  
  int map[300000] = {};
  int cnt = 0;
  int uniq_cnt = 1;
  
  int t[1200000] = {};
  int lazy[1200000][2] = {};
  int size = 1;
  
  res = scanf("%d", &n);
  for (int i = 0; i < n; i++) {
    res = scanf("%d", l+i);
    res = scanf("%d", r+i);
    res = scanf("%d", a[i]);
    map[cnt] = l[i];
    cnt++;
    map[cnt] = r[i];
    cnt++;
    a[i][1] = i;
  }
  res = scanf("%d", &q);
  for (int i = 0; i < q; i++) {
    res = scanf("%d", x+i);
    map[cnt] = x[i];
    cnt++;
  }
  
  qsort(map, cnt, sizeof(int), cmp_int);
  for (int i = 1; i < cnt; i++) {
    if (map[i-1] != map[i]) {
      map[uniq_cnt] = map[i];
      uniq_cnt++;
    }
  }
  
  while (size <= uniq_cnt) {
    size <<= 1;
  }
  
  qsort(a, n, sizeof(int)*2, cmp_int);
  for (int i = 0; i < n; i++) {
    int lidx[2] = { 0, uniq_cnt };
    int ridx[2] = { 0, uniq_cnt };
    while (lidx[1]-lidx[0] > 1) {
      int nxt = (lidx[0]+lidx[1])/2;
      if (map[nxt] <= l[a[i][1]]) {
        lidx[0] = nxt;
      } else {
        lidx[1] = nxt;
      }
    }
    while (ridx[1]-ridx[0] > 1) {
      int nxt = (ridx[0]+ridx[1])/2;
      if (map[nxt] <= r[a[i][1]]) {
        ridx[0] = nxt;
      } else {
        ridx[1] = nxt;
      }
    }
    set_segt(t, lazy, lidx[0], ridx[1], a[i][0]+1, size);
  }
  
  for (int i = 0; i < q; i++) {
    int idx[2] = { 0, uniq_cnt };
    while (idx[1]-idx[0] > 1) {
      int nxt = (idx[0]+idx[1])/2;
      if (map[nxt] <= x[i]) {
        idx[0] = nxt;
      } else {
        idx[1] = nxt;
      }
    }
    printf("%d\n", max_segt(t, lazy, idx[0], idx[1], size));
  }
  
  return 0;
}
0