oj.uz

Submission #360187

# Submission time Handle Problem Language Result Execution time Memory
360187 2021-01-27T17:06:38 Z pure_mem Fortune Telling 2 (JOI14_fortune_telling2) C++14
100 / 100
 267 ms 12268 KB 
#include <bits/stdc++.h>

#define ll long long
#define X first
#define Y second
#define MP make_pair

using namespace std;

const int N = 2e5 + 12;

int n, k, b[N], p[N], f[N];
pair<int, int> a[N];
void upd_f(int v, int val){
	for(;v <= k;v |= v + 1)
		f[v] += val;
}
int get_f(int v){
	int val = 0;
	for(;v >= 0;v = (v & (v + 1)) - 1)
		val += f[v];
	return val;
}
int t[N * 4];
void build(int v, int tl, int tr){
	if(tl == tr){
		t[v] = b[tl];
		return;
	}
	int tm = (tl + tr) / 2;
	build(v * 2, tl, tm), build(v * 2 + 1, tm + 1, tr);
	t[v] = max(t[v * 2], t[v * 2 + 1]);
}
void upd(int v, int tl, int tr, int pos, int val){
	if(tl > pos || pos > tr)
		return;
	if(tl == tr){
		t[v] = val;
		return;
	}
	int tm = (tl + tr) / 2;
	upd(v * 2, tl, tm, pos, val), upd(v * 2 + 1, tm + 1, tr, pos, val);
	t[v] = max(t[v * 2], t[v * 2 + 1]);
}
int rec(int v, int tl, int tr, int val){
	if(tl == tr)
		return tl;
	int tm = (tl + tr) / 2;
	if(t[v * 2 + 1] >= val)
		return rec(v * 2 + 1, tm + 1, tr, val);
	else if(t[v * 2] >= val)
		return rec(v * 2, tl, tm, val);
	return 0;	
}
int main () {
	scanf("%d %d", &n, &k);
	for(int i = 1;i <= n;i++)
		scanf("%d %d", &a[i].X, &a[i].Y);
	for(int i = 1;i <= k;i++)
		scanf("%d", &b[i]), p[i] = i;
	sort(a + 1, a + n + 1, [](pair<int, int> x, pair<int, int> y){
		return max(x.X, x.Y) > max(y.X, y.Y);
	});
	sort(p + 1, p + k + 1, [](int x, int y){
		return b[x] > b[y];
	});
	build(1, 1, k);
	int ptr = 1;
	ll ans = 0;
	for(int i = 1;i <= n;i++){
		while(ptr <= k && b[p[ptr]] >= max(a[i].X, a[i].Y))
			upd(1, 1, k, p[ptr], 0), upd_f(k - p[ptr] + 1, 1), ptr++;
	    int tmp = rec(1, 1, k, min(a[i].X, a[i].Y));
	    int cnt = get_f(k - tmp);
	    if(tmp != 0){
	    	if(a[i].X < a[i].Y)
	    		swap(a[i].X, a[i].Y);	
	    }
	    if(cnt & 1)
	    	ans += a[i].Y;
	    else
	    	ans += a[i].X;	
	}
	printf("%lld", ans);
}

Compilation message

fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:56:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   56 |  scanf("%d %d", &n, &k);
      |  ~~~~~^~~~~~~~~~~~~~~~~
fortune_telling2.cpp:58:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   58 |   scanf("%d %d", &a[i].X, &a[i].Y);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:60:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   60 |   scanf("%d", &b[i]), p[i] = i;
      |   ~~~~~^~~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 2 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 2 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 9 ms 1004 KB Output is correct
15 Correct 18 ms 1644 KB Output is correct
16 Correct 28 ms 2028 KB Output is correct
17 Correct 37 ms 2796 KB Output is correct
18 Correct 38 ms 2816 KB Output is correct
19 Correct 36 ms 2796 KB Output is correct
20 Correct 38 ms 2796 KB Output is correct
21 Correct 29 ms 2796 KB Output is correct
22 Correct 26 ms 2284 KB Output is correct
23 Correct 28 ms 2284 KB Output is correct
24 Correct 32 ms 2284 KB Output is correct
25 Correct 24 ms 2412 KB Output is correct
26 Correct 35 ms 2816 KB Output is correct
27 Correct 39 ms 2796 KB Output is correct
28 Correct 37 ms 2796 KB Output is correct
29 Correct 38 ms 2796 KB Output is correct

Subtask #3
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 2 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 9 ms 1004 KB Output is correct
15 Correct 18 ms 1644 KB Output is correct
16 Correct 28 ms 2028 KB Output is correct
17 Correct 37 ms 2796 KB Output is correct
18 Correct 38 ms 2816 KB Output is correct
19 Correct 36 ms 2796 KB Output is correct
20 Correct 38 ms 2796 KB Output is correct
21 Correct 29 ms 2796 KB Output is correct
22 Correct 26 ms 2284 KB Output is correct
23 Correct 28 ms 2284 KB Output is correct
24 Correct 32 ms 2284 KB Output is correct
25 Correct 24 ms 2412 KB Output is correct
26 Correct 35 ms 2816 KB Output is correct
27 Correct 39 ms 2796 KB Output is correct
28 Correct 37 ms 2796 KB Output is correct
29 Correct 38 ms 2796 KB Output is correct
30 Correct 138 ms 6892 KB Output is correct
31 Correct 147 ms 8064 KB Output is correct
32 Correct 174 ms 9452 KB Output is correct
33 Correct 206 ms 12140 KB Output is correct
34 Correct 67 ms 6636 KB Output is correct
35 Correct 210 ms 12268 KB Output is correct
36 Correct 209 ms 12140 KB Output is correct
37 Correct 226 ms 12268 KB Output is correct
38 Correct 187 ms 12140 KB Output is correct
39 Correct 267 ms 12228 KB Output is correct
40 Correct 148 ms 11884 KB Output is correct
41 Correct 225 ms 12140 KB Output is correct
42 Correct 206 ms 12268 KB Output is correct
43 Correct 117 ms 11116 KB Output is correct
44 Correct 136 ms 11116 KB Output is correct
45 Correct 114 ms 11244 KB Output is correct
46 Correct 161 ms 10220 KB Output is correct
47 Correct 184 ms 10092 KB Output is correct
48 Correct 256 ms 12140 KB Output is correct
49 Correct 202 ms 12268 KB Output is correct