oj.uz

Submission #862156

# Submission time Handle Problem Language Result Execution time Memory
862156 2023-10-17T14:53:28 Z vjudge1 Snowball (JOI21_ho_t2) C++17
100 / 100
 98 ms 15488 KB 
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int,int>
#define F first
#define S second
#define endl '\n'
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) a.begin(),a.end()
const int mod = 1e9 + 7;
const int N = 2e5 + 15;
const ll inf = 1e18;
int n, q;
ll X[N], W[N];
ll mn[N], mx[N];
ll ans[N];
int main(){
	scanf("%d%d", &n, &q);
	X[0] = -inf, X[n+1] = inf;
	for (int i=1;i<=n;i++){
		scanf("%lld", X+i);
	}
	ll prf=0;
	for (int i=1;i<=q;i++){
		scanf("%lld", W+i);
		prf += W[i];
		mn[i] = min(mn[i-1], prf);
		mx[i] = max(mx[i-1], prf);
	}
	ll D = -mn[q] + mx[q];
	ans[1] += -mn[q];
	ans[n] += mx[q];
	for (int i=1;i<=n-1;i++){
		ll dis = X[i+1]-X[i];
		if (dis >= D){
			ans[i] += mx[q];
			ans[i+1] += -mn[q];
			continue;
		}
		// the touch each other
		int L=0, R=q;
		while (R-L>1){
			int M = (L+R)>>1;
			if (mx[M] + -mn[M] >= dis){
				R = M;
			}
			else {
				L = M;
			}
		}
		if (mx[L]==mx[R]){// the min moved
			ans[i] += mx[L];
			ans[i+1] += dis-mx[L];
		}
		else {
			ans[i+1] += -mn[L];
			ans[i] += dis+mn[L];
		}
	}
	for (int i=1;i<=n;i++){
		printf("%lld\n", ans[i]);
	}
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:19:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |  scanf("%d%d", &n, &q);
      |  ~~~~~^~~~~~~~~~~~~~~~
Main.cpp:22:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |   scanf("%lld", X+i);
      |   ~~~~~^~~~~~~~~~~~~
Main.cpp:26:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   26 |   scanf("%lld", W+i);
      |   ~~~~~^~~~~~~~~~~~~

Subtask #1
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2504 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 2 ms 2648 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2504 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct

Subtask #2
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2504 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 2 ms 2648 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2396 KB Output is correct
15 Correct 1 ms 2504 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 20 ms 7256 KB Output is correct
21 Correct 19 ms 6920 KB Output is correct
22 Correct 19 ms 6748 KB Output is correct
23 Correct 23 ms 7004 KB Output is correct
24 Correct 24 ms 6992 KB Output is correct
25 Correct 82 ms 13340 KB Output is correct
26 Correct 80 ms 13420 KB Output is correct
27 Correct 79 ms 13136 KB Output is correct
28 Correct 78 ms 13292 KB Output is correct
29 Correct 78 ms 12584 KB Output is correct
30 Correct 77 ms 12072 KB Output is correct
31 Correct 61 ms 11604 KB Output is correct
32 Correct 45 ms 11600 KB Output is correct
33 Correct 7 ms 3420 KB Output is correct
34 Correct 98 ms 13720 KB Output is correct
35 Correct 81 ms 13136 KB Output is correct
36 Correct 81 ms 13304 KB Output is correct
37 Correct 79 ms 13140 KB Output is correct
38 Correct 78 ms 12940 KB Output is correct
39 Correct 79 ms 13308 KB Output is correct
40 Correct 67 ms 13344 KB Output is correct
41 Correct 21 ms 7768 KB Output is correct
42 Correct 45 ms 11600 KB Output is correct
43 Correct 66 ms 15044 KB Output is correct
44 Correct 21 ms 7760 KB Output is correct
45 Correct 50 ms 13136 KB Output is correct
46 Correct 66 ms 15188 KB Output is correct
47 Correct 69 ms 15184 KB Output is correct
48 Correct 66 ms 15488 KB Output is correct