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Submission #287465

# Submission time Handle Problem Language Result Execution time Memory
287465 2020-08-31T17:11:38 Z Namnamseo None (JOI16_ho_t5) C++17
100 / 100
 547 ms 26404 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pp;
typedef pair<ll,ll> pll;
void read(int& x){ scanf("%d",&x); }
void read(ll& x){ scanf("%lld",&x); }
void read(pp& x){ scanf("%d%d",&x.first, &x.second); }
void read(pll& x){ scanf("%lld%lld",&x.first, &x.second); }
template<typename T,typename... Args>
void read(T& a,Args&... b){ read(a); read(b...); }
#define all(x) (x).begin(),(x).end()
#define pb push_back
#define eb emplace_back
#define x first
#define y second
#define rep(i,n) for(int i = 0; i < (n); ++i)
#define rrep(i,n) for(int i = 1; i <= (n); ++i)
#define sz(x) (int)(x).size()

const int max_q = 200010, max_n2 = 524288;

int n;

int q;
int qx[max_q];
int qd[max_q];
int ql[max_q];

ll lx[max_n2];
ll ly[max_n2];
ll x[max_n2];
ll y[max_n2];

inline void col(int p){ x[p]=x[p*2+1]; y[p]=y[p*2]; }
inline void acq(int p, ll vx, ll vy){ x[p] += vx; lx[p] += vx; y[p] += vy; ly[p] += vy; }

void init(int p=1, int pl=1, int pr=n){
	if(pl == pr){
		x[p]=pl-1; y[p]=-pl; return;
	}
	int mid = (pl+pr)/2;
	init(p*2, pl, mid); init(p*2+1, mid+1, pr); col(p);
}

void pd(int p){
	acq(p*2, lx[p], ly[p]);
	acq(p*2+1, lx[p], ly[p]);
	lx[p] = 0; ly[p] = 0;
}

void upd(ll vx, ll vy, int l, int r, int p=1, int pl=1, int pr=n){
	if(pl!=pr) pd(p);
	if(r<pl || pr<l) return;
	if(l<=pl && pr<=r){
		acq(p, vx, vy); return;
	}
	int mid = (pl+pr)/2;
	upd(vx, vy, l, r, p*2, pl, mid);
	upd(vx, vy, l, r, p*2+1, mid+1, pr);
	col(p);
}

void dfs(int p=1, int pl=1, int pr=n){
	if(pl == pr){
		printf("%lld\n", -(x[p]+y[p])/2);
		return;
	}
	pd(p);
	int mid=(pl+pr)/2;
	dfs(p*2, pl, mid); dfs(p*2+1, mid+1, pr);
}

int main()
{
	read(n, q);
	rep(i, q) read(qx[i], qd[i], ql[i]);

	init();
	for(int i=q-1; 0<=i; --i){
		if(qd[i] == 1){
			ll v=-qx[i];
			if(v > y[1]) continue;
			int p=1, pl=1, pr=n;
			while(pl != pr){
				pd(p);
				int mid = (pl+pr)/2;
				if(y[p*2+1] >= v) p=p*2+1, pl=mid+1;
				else p=p*2, pr=mid;
			}
			upd(-2*ql[i], 0, 1, pl);
		} else {
			ll v=qx[i];
			if(x[1] < v) continue;
			int p=1, pl=1, pr=n;
			while(pl != pr){
				pd(p);
				int mid = (pl+pr)/2;
				if(x[p*2]<v) p=p*2+1, pl=mid+1;
				else p=p*2, pr=mid;
			}
			upd(0, -2*ql[i], pl, n);
		}
	}

	dfs();
	return 0;
}

Compilation message

2016_ho_t5.cpp: In function 'void read(int&)':
2016_ho_t5.cpp:6:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    6 | void read(int& x){ scanf("%d",&x); }
      |                    ~~~~~^~~~~~~~~
2016_ho_t5.cpp: In function 'void read(ll&)':
2016_ho_t5.cpp:7:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    7 | void read(ll& x){ scanf("%lld",&x); }
      |                   ~~~~~^~~~~~~~~~~
2016_ho_t5.cpp: In function 'void read(pp&)':
2016_ho_t5.cpp:8:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    8 | void read(pp& x){ scanf("%d%d",&x.first, &x.second); }
      |                   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
2016_ho_t5.cpp: In function 'void read(pll&)':
2016_ho_t5.cpp:9:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    9 | void read(pll& x){ scanf("%lld%lld",&x.first, &x.second); }
      |                    ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 380 KB Output is correct
23 Correct 1 ms 380 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 380 KB Output is correct
23 Correct 1 ms 380 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 3 ms 768 KB Output is correct
29 Correct 3 ms 768 KB Output is correct
30 Correct 3 ms 768 KB Output is correct
31 Correct 3 ms 768 KB Output is correct
32 Correct 4 ms 768 KB Output is correct
33 Correct 3 ms 768 KB Output is correct
34 Correct 3 ms 744 KB Output is correct
35 Correct 3 ms 768 KB Output is correct
36 Correct 4 ms 768 KB Output is correct
37 Correct 4 ms 768 KB Output is correct
38 Correct 4 ms 768 KB Output is correct
39 Correct 3 ms 768 KB Output is correct
40 Correct 5 ms 768 KB Output is correct
41 Correct 3 ms 768 KB Output is correct
42 Correct 3 ms 768 KB Output is correct
43 Correct 3 ms 768 KB Output is correct
44 Correct 3 ms 768 KB Output is correct
45 Correct 5 ms 768 KB Output is correct
46 Correct 3 ms 768 KB Output is correct
47 Correct 4 ms 768 KB Output is correct
48 Correct 4 ms 792 KB Output is correct
49 Correct 4 ms 768 KB Output is correct
50 Correct 4 ms 768 KB Output is correct
51 Correct 4 ms 768 KB Output is correct
52 Correct 5 ms 748 KB Output is correct
53 Correct 4 ms 768 KB Output is correct
54 Correct 7 ms 696 KB Output is correct
55 Correct 5 ms 768 KB Output is correct
56 Correct 5 ms 708 KB Output is correct
57 Correct 5 ms 740 KB Output is correct
58 Correct 7 ms 768 KB Output is correct
59 Correct 4 ms 768 KB Output is correct
60 Correct 5 ms 768 KB Output is correct
61 Correct 5 ms 768 KB Output is correct
62 Correct 3 ms 768 KB Output is correct
63 Correct 4 ms 768 KB Output is correct
64 Correct 4 ms 768 KB Output is correct
65 Correct 3 ms 768 KB Output is correct
66 Correct 6 ms 768 KB Output is correct
67 Correct 5 ms 656 KB Output is correct
68 Correct 5 ms 768 KB Output is correct
69 Correct 4 ms 768 KB Output is correct
70 Correct 1 ms 640 KB Output is correct
71 Correct 2 ms 640 KB Output is correct
72 Correct 2 ms 640 KB Output is correct

Subtask #3
66.0 / 66.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 380 KB Output is correct
23 Correct 1 ms 380 KB Output is correct
24 Correct 1 ms 384 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 1 ms 384 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 3 ms 768 KB Output is correct
29 Correct 3 ms 768 KB Output is correct
30 Correct 3 ms 768 KB Output is correct
31 Correct 3 ms 768 KB Output is correct
32 Correct 4 ms 768 KB Output is correct
33 Correct 3 ms 768 KB Output is correct
34 Correct 3 ms 744 KB Output is correct
35 Correct 3 ms 768 KB Output is correct
36 Correct 4 ms 768 KB Output is correct
37 Correct 4 ms 768 KB Output is correct
38 Correct 4 ms 768 KB Output is correct
39 Correct 3 ms 768 KB Output is correct
40 Correct 5 ms 768 KB Output is correct
41 Correct 3 ms 768 KB Output is correct
42 Correct 3 ms 768 KB Output is correct
43 Correct 3 ms 768 KB Output is correct
44 Correct 3 ms 768 KB Output is correct
45 Correct 5 ms 768 KB Output is correct
46 Correct 3 ms 768 KB Output is correct
47 Correct 4 ms 768 KB Output is correct
48 Correct 4 ms 792 KB Output is correct
49 Correct 4 ms 768 KB Output is correct
50 Correct 4 ms 768 KB Output is correct
51 Correct 4 ms 768 KB Output is correct
52 Correct 5 ms 748 KB Output is correct
53 Correct 4 ms 768 KB Output is correct
54 Correct 7 ms 696 KB Output is correct
55 Correct 5 ms 768 KB Output is correct
56 Correct 5 ms 708 KB Output is correct
57 Correct 5 ms 740 KB Output is correct
58 Correct 7 ms 768 KB Output is correct
59 Correct 4 ms 768 KB Output is correct
60 Correct 5 ms 768 KB Output is correct
61 Correct 5 ms 768 KB Output is correct
62 Correct 3 ms 768 KB Output is correct
63 Correct 4 ms 768 KB Output is correct
64 Correct 4 ms 768 KB Output is correct
65 Correct 3 ms 768 KB Output is correct
66 Correct 6 ms 768 KB Output is correct
67 Correct 5 ms 656 KB Output is correct
68 Correct 5 ms 768 KB Output is correct
69 Correct 4 ms 768 KB Output is correct
70 Correct 1 ms 640 KB Output is correct
71 Correct 2 ms 640 KB Output is correct
72 Correct 2 ms 640 KB Output is correct
73 Correct 303 ms 22392 KB Output is correct
74 Correct 318 ms 22440 KB Output is correct
75 Correct 307 ms 22688 KB Output is correct
76 Correct 322 ms 22768 KB Output is correct
77 Correct 278 ms 22680 KB Output is correct
78 Correct 295 ms 22688 KB Output is correct
79 Correct 285 ms 22688 KB Output is correct
80 Correct 237 ms 22928 KB Output is correct
81 Correct 236 ms 23196 KB Output is correct
82 Correct 225 ms 23288 KB Output is correct
83 Correct 262 ms 23952 KB Output is correct
84 Correct 232 ms 24056 KB Output is correct
85 Correct 241 ms 24092 KB Output is correct
86 Correct 190 ms 24684 KB Output is correct
87 Correct 175 ms 25208 KB Output is correct
88 Correct 204 ms 26360 KB Output is correct
89 Correct 219 ms 26404 KB Output is correct
90 Correct 457 ms 24824 KB Output is correct
91 Correct 409 ms 21496 KB Output is correct
92 Correct 474 ms 21880 KB Output is correct
93 Correct 302 ms 25080 KB Output is correct
94 Correct 277 ms 22524 KB Output is correct
95 Correct 291 ms 24440 KB Output is correct
96 Correct 273 ms 22604 KB Output is correct
97 Correct 294 ms 23544 KB Output is correct
98 Correct 283 ms 22392 KB Output is correct
99 Correct 294 ms 24180 KB Output is correct
100 Correct 278 ms 22396 KB Output is correct
101 Correct 287 ms 23636 KB Output is correct
102 Correct 279 ms 22520 KB Output is correct
103 Correct 285 ms 24440 KB Output is correct
104 Correct 272 ms 22264 KB Output is correct
105 Correct 393 ms 23928 KB Output is correct
106 Correct 267 ms 22520 KB Output is correct
107 Correct 215 ms 24240 KB Output is correct
108 Correct 285 ms 22392 KB Output is correct
109 Correct 303 ms 23928 KB Output is correct
110 Correct 295 ms 22520 KB Output is correct
111 Correct 547 ms 25596 KB Output is correct
112 Correct 502 ms 22520 KB Output is correct
113 Correct 498 ms 25720 KB Output is correct
114 Correct 407 ms 22648 KB Output is correct
115 Correct 473 ms 22904 KB Output is correct
116 Correct 421 ms 22648 KB Output is correct
117 Correct 484 ms 25848 KB Output is correct
118 Correct 426 ms 22648 KB Output is correct
119 Correct 41 ms 18936 KB Output is correct
120 Correct 35 ms 17152 KB Output is correct