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Submission #289534

# Submission time Handle Problem Language Result Execution time Memory
289534 2020-09-02T17:46:16 Z MarcoMeijer Rectangles (IOI19_rect) C++14
100 / 100
 2654 ms 761104 KB 
#include <bits/stdc++.h>
#include "rect.h"
using namespace std;

//macros
typedef long long ll;
typedef pair<int, int> ii;
typedef pair<ll, ll> lll;
typedef tuple<int, int, int> iii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<iii> viii;
typedef vector<ll> vll;
typedef vector<lll> vlll;
#define REP(a,b,c) for(int a=int(b); a<int(c); a++)
#define RE(a,c) REP(a,0,c)
#define RE1(a,c) REP(a,1,c+1)
#define REI(a,b,c) REP(a,b,c+1)
#define REV(a,b,c) for(int a=int(c-1); a>=int(b); a--)
#define FOR(a,b) for(auto& a : b)
#define INF 1e9
#define pb push_back
#define fi first
#define se second
#define sz size()
#define all(a) a.begin(), a.end()

typedef short int sint;
const sint MX=2505;
sint n, m;
vector<sint> difW[MX][MX];
vector<sint> difH[MX][MX];
sint maxW[MX][MX];
sint maxH[MX][MX];
vector<pair<sint,sint>> lastW[2][MX];
vector<pair<sint,sint>> lastH[MX];

long long count_rectangles(vector<vi> a) {
    n = a.sz; m = a[0].sz;
    RE(i,n) {
        stack<sint> stck;
        RE(j,m) {
            while(!stck.empty() && a[i][stck.top()] < a[i][j]) {
                stck.pop();
                if(!stck.empty()) {
                    difH[i][stck.top()+1].pb(j-stck.top()-1);
                }
            }
            if(!stck.empty() && a[i][stck.top()] == a[i][j])
                stck.pop();
            stck.push(j);
        }
    }
    RE(j,m) {
        stack<sint> stck;
        RE(i,n) {
            while(!stck.empty() && a[stck.top()][j] < a[i][j]) {
                stck.pop();
                if(!stck.empty()) {
                    difW[stck.top()+1][j].pb(i-stck.top()-1);
                }
            }
            if(!stck.empty() && a[stck.top()][j] == a[i][j])
                stck.pop();
            stck.push(i);
        }
    }
    ll ans = 0;
    RE(i,n) RE(j,m) maxW[i][j] = maxH[i][j] = 0;
    REV(i,0,n) {
        REV(j,0,m) {
            FOR(w,difW[i][j]) {
                maxH[i][w]++;
                lastH[j].pb({w,maxH[i][w]});
            }
            FOR(p,lastH[j+1]) {
                if(maxH[i][p.fi] == p.se)
                    maxH[i][p.fi] = 0;
            }
            lastH[j+1].clear();

            FOR(h,difH[i][j]) {
                maxW[j][h]++;
                lastW[i%2][j].pb({h,maxW[j][h]});
            }
            FOR(p,lastW[(i+1)%2][j]) {
                if(maxW[j][p.fi] == p.se)
                    maxW[j][p.fi] = 0;
            }
            lastW[(i+1)%2][j].clear();

            FOR(w,difW[i][j]) FOR(h,difH[i][j]) {
                if(maxH[i][w] < h) break;
                if(maxW[j][h] >= w)
                    ans++;
            }
        }
        lastH[0].clear();
    }
	return ans;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 204 ms 295288 KB Output is correct
2 Correct 206 ms 295544 KB Output is correct
3 Correct 207 ms 295544 KB Output is correct
4 Correct 206 ms 295544 KB Output is correct
5 Correct 198 ms 295416 KB Output is correct
6 Correct 199 ms 295544 KB Output is correct
7 Correct 205 ms 295416 KB Output is correct
8 Correct 204 ms 295416 KB Output is correct
9 Correct 199 ms 295544 KB Output is correct
10 Correct 204 ms 295544 KB Output is correct
11 Correct 202 ms 295544 KB Output is correct
12 Correct 205 ms 295544 KB Output is correct
13 Correct 201 ms 295160 KB Output is correct
14 Correct 198 ms 295256 KB Output is correct
15 Correct 202 ms 295288 KB Output is correct
16 Correct 205 ms 295416 KB Output is correct
17 Correct 197 ms 295288 KB Output is correct
18 Correct 200 ms 295288 KB Output is correct
19 Correct 204 ms 295544 KB Output is correct
20 Correct 201 ms 295416 KB Output is correct
21 Correct 200 ms 295288 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 204 ms 295288 KB Output is correct
2 Correct 206 ms 295544 KB Output is correct
3 Correct 207 ms 295544 KB Output is correct
4 Correct 206 ms 295544 KB Output is correct
5 Correct 198 ms 295416 KB Output is correct
6 Correct 199 ms 295544 KB Output is correct
7 Correct 205 ms 295416 KB Output is correct
8 Correct 204 ms 295416 KB Output is correct
9 Correct 199 ms 295544 KB Output is correct
10 Correct 204 ms 295544 KB Output is correct
11 Correct 202 ms 295544 KB Output is correct
12 Correct 205 ms 295544 KB Output is correct
13 Correct 201 ms 295160 KB Output is correct
14 Correct 198 ms 295256 KB Output is correct
15 Correct 202 ms 295288 KB Output is correct
16 Correct 205 ms 295416 KB Output is correct
17 Correct 202 ms 296368 KB Output is correct
18 Correct 199 ms 296312 KB Output is correct
19 Correct 211 ms 296312 KB Output is correct
20 Correct 200 ms 296184 KB Output is correct
21 Correct 202 ms 296184 KB Output is correct
22 Correct 207 ms 296184 KB Output is correct
23 Correct 201 ms 296184 KB Output is correct
24 Correct 201 ms 296056 KB Output is correct
25 Correct 197 ms 295288 KB Output is correct
26 Correct 200 ms 295288 KB Output is correct
27 Correct 204 ms 295544 KB Output is correct
28 Correct 201 ms 295416 KB Output is correct
29 Correct 200 ms 295288 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 204 ms 295288 KB Output is correct
2 Correct 206 ms 295544 KB Output is correct
3 Correct 207 ms 295544 KB Output is correct
4 Correct 206 ms 295544 KB Output is correct
5 Correct 198 ms 295416 KB Output is correct
6 Correct 199 ms 295544 KB Output is correct
7 Correct 205 ms 295416 KB Output is correct
8 Correct 204 ms 295416 KB Output is correct
9 Correct 199 ms 295544 KB Output is correct
10 Correct 204 ms 295544 KB Output is correct
11 Correct 202 ms 295544 KB Output is correct
12 Correct 205 ms 295544 KB Output is correct
13 Correct 201 ms 295160 KB Output is correct
14 Correct 198 ms 295256 KB Output is correct
15 Correct 202 ms 295288 KB Output is correct
16 Correct 205 ms 295416 KB Output is correct
17 Correct 202 ms 296368 KB Output is correct
18 Correct 199 ms 296312 KB Output is correct
19 Correct 211 ms 296312 KB Output is correct
20 Correct 200 ms 296184 KB Output is correct
21 Correct 202 ms 296184 KB Output is correct
22 Correct 207 ms 296184 KB Output is correct
23 Correct 201 ms 296184 KB Output is correct
24 Correct 201 ms 296056 KB Output is correct
25 Correct 217 ms 299776 KB Output is correct
26 Correct 209 ms 299896 KB Output is correct
27 Correct 211 ms 299768 KB Output is correct
28 Correct 206 ms 298104 KB Output is correct
29 Correct 222 ms 298744 KB Output is correct
30 Correct 212 ms 298616 KB Output is correct
31 Correct 214 ms 298616 KB Output is correct
32 Correct 214 ms 298488 KB Output is correct
33 Correct 197 ms 295288 KB Output is correct
34 Correct 200 ms 295288 KB Output is correct
35 Correct 204 ms 295544 KB Output is correct
36 Correct 201 ms 295416 KB Output is correct
37 Correct 200 ms 295288 KB Output is correct

Subtask #4
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 204 ms 295288 KB Output is correct
2 Correct 206 ms 295544 KB Output is correct
3 Correct 207 ms 295544 KB Output is correct
4 Correct 206 ms 295544 KB Output is correct
5 Correct 198 ms 295416 KB Output is correct
6 Correct 199 ms 295544 KB Output is correct
7 Correct 205 ms 295416 KB Output is correct
8 Correct 204 ms 295416 KB Output is correct
9 Correct 199 ms 295544 KB Output is correct
10 Correct 204 ms 295544 KB Output is correct
11 Correct 202 ms 295544 KB Output is correct
12 Correct 205 ms 295544 KB Output is correct
13 Correct 201 ms 295160 KB Output is correct
14 Correct 198 ms 295256 KB Output is correct
15 Correct 202 ms 295288 KB Output is correct
16 Correct 205 ms 295416 KB Output is correct
17 Correct 202 ms 296368 KB Output is correct
18 Correct 199 ms 296312 KB Output is correct
19 Correct 211 ms 296312 KB Output is correct
20 Correct 200 ms 296184 KB Output is correct
21 Correct 202 ms 296184 KB Output is correct
22 Correct 207 ms 296184 KB Output is correct
23 Correct 201 ms 296184 KB Output is correct
24 Correct 201 ms 296056 KB Output is correct
25 Correct 217 ms 299776 KB Output is correct
26 Correct 209 ms 299896 KB Output is correct
27 Correct 211 ms 299768 KB Output is correct
28 Correct 206 ms 298104 KB Output is correct
29 Correct 222 ms 298744 KB Output is correct
30 Correct 212 ms 298616 KB Output is correct
31 Correct 214 ms 298616 KB Output is correct
32 Correct 214 ms 298488 KB Output is correct
33 Correct 283 ms 321272 KB Output is correct
34 Correct 269 ms 316280 KB Output is correct
35 Correct 265 ms 316280 KB Output is correct
36 Correct 244 ms 310648 KB Output is correct
37 Correct 341 ms 337016 KB Output is correct
38 Correct 339 ms 336764 KB Output is correct
39 Correct 349 ms 336760 KB Output is correct
40 Correct 335 ms 334328 KB Output is correct
41 Correct 272 ms 313848 KB Output is correct
42 Correct 319 ms 316408 KB Output is correct
43 Correct 381 ms 321532 KB Output is correct
44 Correct 372 ms 321660 KB Output is correct
45 Correct 284 ms 311676 KB Output is correct
46 Correct 289 ms 310008 KB Output is correct
47 Correct 356 ms 320248 KB Output is correct
48 Correct 361 ms 320508 KB Output is correct
49 Correct 197 ms 295288 KB Output is correct
50 Correct 200 ms 295288 KB Output is correct
51 Correct 204 ms 295544 KB Output is correct
52 Correct 201 ms 295416 KB Output is correct
53 Correct 200 ms 295288 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 208 ms 305864 KB Output is correct
2 Correct 204 ms 304248 KB Output is correct
3 Correct 202 ms 295332 KB Output is correct
4 Correct 205 ms 295288 KB Output is correct
5 Correct 219 ms 304504 KB Output is correct
6 Correct 212 ms 304248 KB Output is correct
7 Correct 215 ms 304380 KB Output is correct
8 Correct 215 ms 303864 KB Output is correct
9 Correct 212 ms 303608 KB Output is correct
10 Correct 204 ms 300408 KB Output is correct
11 Correct 207 ms 302968 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 202 ms 295288 KB Output is correct
2 Correct 680 ms 379224 KB Output is correct
3 Correct 1265 ms 466168 KB Output is correct
4 Correct 1299 ms 466680 KB Output is correct
5 Correct 1253 ms 467064 KB Output is correct
6 Correct 311 ms 331512 KB Output is correct
7 Correct 422 ms 365816 KB Output is correct
8 Correct 438 ms 368888 KB Output is correct
9 Correct 197 ms 295288 KB Output is correct
10 Correct 200 ms 295288 KB Output is correct
11 Correct 204 ms 295544 KB Output is correct
12 Correct 201 ms 295416 KB Output is correct
13 Correct 200 ms 295288 KB Output is correct

Subtask #7
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 204 ms 295288 KB Output is correct
2 Correct 206 ms 295544 KB Output is correct
3 Correct 207 ms 295544 KB Output is correct
4 Correct 206 ms 295544 KB Output is correct
5 Correct 198 ms 295416 KB Output is correct
6 Correct 199 ms 295544 KB Output is correct
7 Correct 205 ms 295416 KB Output is correct
8 Correct 204 ms 295416 KB Output is correct
9 Correct 199 ms 295544 KB Output is correct
10 Correct 204 ms 295544 KB Output is correct
11 Correct 202 ms 295544 KB Output is correct
12 Correct 205 ms 295544 KB Output is correct
13 Correct 201 ms 295160 KB Output is correct
14 Correct 198 ms 295256 KB Output is correct
15 Correct 202 ms 295288 KB Output is correct
16 Correct 205 ms 295416 KB Output is correct
17 Correct 202 ms 296368 KB Output is correct
18 Correct 199 ms 296312 KB Output is correct
19 Correct 211 ms 296312 KB Output is correct
20 Correct 200 ms 296184 KB Output is correct
21 Correct 202 ms 296184 KB Output is correct
22 Correct 207 ms 296184 KB Output is correct
23 Correct 201 ms 296184 KB Output is correct
24 Correct 201 ms 296056 KB Output is correct
25 Correct 217 ms 299776 KB Output is correct
26 Correct 209 ms 299896 KB Output is correct
27 Correct 211 ms 299768 KB Output is correct
28 Correct 206 ms 298104 KB Output is correct
29 Correct 222 ms 298744 KB Output is correct
30 Correct 212 ms 298616 KB Output is correct
31 Correct 214 ms 298616 KB Output is correct
32 Correct 214 ms 298488 KB Output is correct
33 Correct 283 ms 321272 KB Output is correct
34 Correct 269 ms 316280 KB Output is correct
35 Correct 265 ms 316280 KB Output is correct
36 Correct 244 ms 310648 KB Output is correct
37 Correct 341 ms 337016 KB Output is correct
38 Correct 339 ms 336764 KB Output is correct
39 Correct 349 ms 336760 KB Output is correct
40 Correct 335 ms 334328 KB Output is correct
41 Correct 272 ms 313848 KB Output is correct
42 Correct 319 ms 316408 KB Output is correct
43 Correct 381 ms 321532 KB Output is correct
44 Correct 372 ms 321660 KB Output is correct
45 Correct 284 ms 311676 KB Output is correct
46 Correct 289 ms 310008 KB Output is correct
47 Correct 356 ms 320248 KB Output is correct
48 Correct 361 ms 320508 KB Output is correct
49 Correct 208 ms 305864 KB Output is correct
50 Correct 204 ms 304248 KB Output is correct
51 Correct 202 ms 295332 KB Output is correct
52 Correct 205 ms 295288 KB Output is correct
53 Correct 219 ms 304504 KB Output is correct
54 Correct 212 ms 304248 KB Output is correct
55 Correct 215 ms 304380 KB Output is correct
56 Correct 215 ms 303864 KB Output is correct
57 Correct 212 ms 303608 KB Output is correct
58 Correct 204 ms 300408 KB Output is correct
59 Correct 207 ms 302968 KB Output is correct
60 Correct 202 ms 295288 KB Output is correct
61 Correct 680 ms 379224 KB Output is correct
62 Correct 1265 ms 466168 KB Output is correct
63 Correct 1299 ms 466680 KB Output is correct
64 Correct 1253 ms 467064 KB Output is correct
65 Correct 311 ms 331512 KB Output is correct
66 Correct 422 ms 365816 KB Output is correct
67 Correct 438 ms 368888 KB Output is correct
68 Correct 1500 ms 565268 KB Output is correct
69 Correct 1317 ms 492792 KB Output is correct
70 Correct 1012 ms 493040 KB Output is correct
71 Correct 812 ms 420732 KB Output is correct
72 Correct 2478 ms 760976 KB Output is correct
73 Correct 1619 ms 462200 KB Output is correct
74 Correct 1676 ms 475128 KB Output is correct
75 Correct 2572 ms 565372 KB Output is correct
76 Correct 1675 ms 462456 KB Output is correct
77 Correct 2113 ms 516764 KB Output is correct
78 Correct 2654 ms 565880 KB Output is correct
79 Correct 1550 ms 452984 KB Output is correct
80 Correct 2546 ms 551800 KB Output is correct
81 Correct 2465 ms 544388 KB Output is correct
82 Correct 1517 ms 584696 KB Output is correct
83 Correct 2418 ms 760752 KB Output is correct
84 Correct 2467 ms 761104 KB Output is correct
85 Correct 2454 ms 760824 KB Output is correct
86 Correct 197 ms 295288 KB Output is correct
87 Correct 200 ms 295288 KB Output is correct
88 Correct 204 ms 295544 KB Output is correct
89 Correct 201 ms 295416 KB Output is correct
90 Correct 200 ms 295288 KB Output is correct