oj.uz

Submission #1065262

# Submission time Handle Problem Language Result Execution time Memory
1065262 2024-08-19T05:19:03 Z pcc Soccer Stadium (IOI23_soccer) C++17
25 / 100
 328 ms 119000 KB 
#include "soccer.h"
#include <bits/stdc++.h>
using namespace std;

#define pii pair<int,int>
#define fs first
#define sc second

const int mxn = 2022;

int N;
pii row[mxn][mxn],col[mxn][mxn];
int rsum[mxn],csum[mxn];
int arr[mxn][mxn];

int rect(int sr,int er,int sc,int ec){
	return arr[er][ec]-arr[sr-1][ec]-arr[er][sc-1]+arr[sr-1][sc-1];
}

int biggest_stadium(int NN, std::vector<std::vector<int>> F){
	N = NN;
	int cnt = 0;
	for(int i = 0;i<N;i++){
		for(int j = 0;j<N;j++)arr[i+1][j+1] = F[i][j],cnt += !F[i][j];
	}
	for(int i = 1;i<=N;i++){
		for(int j = 1;j<=N;j++){
			arr[i][j] ^= 1;
			if(arr[i][j])rsum[i]++,csum[j]++;
			arr[i][j] = arr[i][j-1]+arr[i-1][j]-arr[i-1][j-1]+arr[i][j];
		}
	}
	for(int i = 1;i<=N;i++){
		int lp = 1;
		for(int j = 1;j<=N;j++){
			if(F[i-1][j-1])lp = j+1;
			else col[i][j].fs = lp;
		}
		int rp = N;
		for(int j = N;j>=1;j--){
			if(F[i-1][j-1])rp = j-1;
			else col[i][j].sc = rp;
		}
	}
	for(int i = 1;i<=N;i++){
		int lp = 1;
		for(int j = 1;j<=N;j++){
			if(F[j-1][i-1])lp = j+1;
			else row[j][i].fs = lp;
		}
		int rp = N;
		for(int j = N;j>=1;j--){
			if(F[j-1][i-1])rp = j-1;
			else row[j][i].sc = rp;
		}
	}

	/*
	cerr<<"COL.fs:"<<endl;
	for(int i = 1;i<=N;i++){
		for(int j = 1;j<=N;j++){
			cerr<<col[i][j].fs<<' ';
		}cerr<<endl;
	}cerr<<endl;
	cerr<<"COL.sc:"<<endl;
	for(int i = 1;i<=N;i++){
		for(int j = 1;j<=N;j++){
			cerr<<col[i][j].sc<<' ';
		}cerr<<endl;
	}cerr<<endl;
	cerr<<"row.fs:"<<endl;
	for(int i = 1;i<=N;i++){
		for(int j = 1;j<=N;j++){
			cerr<<row[i][j].fs<<' ';
		}cerr<<endl;
	}cerr<<endl;
	cerr<<"row.sc:"<<endl;
	for(int i = 1;i<=N;i++){
		for(int j = 1;j<=N;j++){
			cerr<<row[i][j].sc<<' ';
		}cerr<<endl;
	}cerr<<endl;
	for(int i = 1;i<=N;i++)cerr<<rsum[i]<<' ';cerr<<endl;
	for(int i = 1;i<=N;i++)cerr<<csum[i]<<' ';cerr<<endl;
	*/
	for(int i = 1;i<=N;i++){
		int sum = 0;
		for(int j = 1;j<=N;j++){
			if(F[i-1][j-1]&&sum)break;
			if(!F[i-1][j-1])sum++;
		}
		if(sum != rsum[i]){
			cerr<<"ROW WA: "<<i<<":"<<sum<<','<<rsum[i]<<endl;
			return 0;
		}
		sum = 0;
		for(int j = 1;j<=N;j++){
			if(F[j-1][i-1]&&sum)break;
			if(!F[j-1][i-1])sum++;
		}
		if(sum != csum[i]){
			cerr<<"col WA: "<<i<<":"<<sum<<','<<csum[i]<<endl;
			return 0;
		}
	}

	for(int i = 1;i<=N;i++)rsum[i] += rsum[i-1],csum[i]+=csum[i-1];
	for(int i = 1;i<=N;i++){
		for(int j = 1;j<=N;j++){
			if(F[i-1][j-1])continue;
			auto [sr,er] = row[i][j];
			auto [sc,ec] = col[i][j];
			int sum = rsum[er]-rsum[sr-1]+csum[ec]-csum[sc-1]-rect(sr,er,sc,ec);
			if(sum != cnt){
				cerr<<"WA! : "<<i<<' '<<j<<":"<<sum<<endl;
				return 0;
			}
		}
	}
	return cnt;
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 344 KB partial

Subtask #1
1.5 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB ok
2 Correct 0 ms 348 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 444 KB ok
5 Correct 0 ms 344 KB ok
6 Partially correct 0 ms 348 KB partial
7 Partially correct 1 ms 1860 KB partial
8 Partially correct 24 ms 13844 KB partial
9 Partially correct 281 ms 118664 KB partial

Subtask #2
2.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB ok
2 Correct 0 ms 348 KB ok
3 Partially correct 0 ms 348 KB partial
4 Partially correct 0 ms 348 KB partial
5 Partially correct 0 ms 348 KB partial
6 Partially correct 0 ms 604 KB partial
7 Partially correct 0 ms 348 KB partial
8 Correct 0 ms 348 KB ok
9 Correct 0 ms 344 KB ok
10 Partially correct 0 ms 348 KB partial
11 Partially correct 0 ms 348 KB partial
12 Partially correct 0 ms 600 KB partial
13 Correct 1 ms 344 KB ok

Subtask #3
5.5 / 22.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 344 KB partial
2 Correct 0 ms 344 KB ok
3 Correct 0 ms 348 KB ok
4 Partially correct 0 ms 348 KB partial
5 Partially correct 0 ms 348 KB partial
6 Partially correct 0 ms 348 KB partial
7 Partially correct 0 ms 604 KB partial
8 Partially correct 0 ms 348 KB partial
9 Correct 0 ms 348 KB ok
10 Correct 0 ms 344 KB ok
11 Partially correct 0 ms 348 KB partial
12 Partially correct 0 ms 348 KB partial
13 Partially correct 0 ms 600 KB partial
14 Correct 1 ms 344 KB ok
15 Partially correct 1 ms 348 KB partial
16 Partially correct 0 ms 348 KB partial
17 Partially correct 1 ms 348 KB partial
18 Partially correct 0 ms 348 KB partial
19 Partially correct 0 ms 348 KB partial
20 Correct 0 ms 348 KB ok
21 Correct 0 ms 348 KB ok
22 Partially correct 0 ms 348 KB partial
23 Partially correct 0 ms 348 KB partial
24 Partially correct 0 ms 348 KB partial
25 Partially correct 0 ms 348 KB partial
26 Partially correct 0 ms 348 KB partial

Subtask #4
4.5 / 18.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 344 KB partial
2 Correct 0 ms 344 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 444 KB ok
6 Partially correct 0 ms 348 KB partial
7 Partially correct 0 ms 348 KB partial
8 Partially correct 0 ms 348 KB partial
9 Partially correct 0 ms 604 KB partial
10 Partially correct 0 ms 348 KB partial
11 Correct 0 ms 348 KB ok
12 Correct 0 ms 344 KB ok
13 Partially correct 0 ms 348 KB partial
14 Partially correct 0 ms 348 KB partial
15 Partially correct 0 ms 600 KB partial
16 Correct 1 ms 344 KB ok
17 Partially correct 1 ms 348 KB partial
18 Partially correct 0 ms 348 KB partial
19 Partially correct 1 ms 348 KB partial
20 Partially correct 0 ms 348 KB partial
21 Partially correct 0 ms 348 KB partial
22 Correct 0 ms 348 KB ok
23 Correct 0 ms 348 KB ok
24 Partially correct 0 ms 348 KB partial
25 Partially correct 0 ms 348 KB partial
26 Partially correct 0 ms 348 KB partial
27 Partially correct 0 ms 348 KB partial
28 Partially correct 0 ms 348 KB partial
29 Partially correct 1 ms 348 KB partial
30 Partially correct 0 ms 604 KB partial
31 Partially correct 1 ms 844 KB partial
32 Partially correct 1 ms 696 KB partial
33 Partially correct 1 ms 604 KB partial
34 Correct 0 ms 604 KB ok
35 Correct 0 ms 604 KB ok
36 Partially correct 0 ms 600 KB partial
37 Partially correct 1 ms 604 KB partial
38 Partially correct 0 ms 604 KB partial
39 Partially correct 1 ms 604 KB partial
40 Partially correct 0 ms 704 KB partial
41 Partially correct 1 ms 604 KB partial

Subtask #5
4.0 / 16.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 344 KB partial
2 Correct 0 ms 344 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 444 KB ok
6 Partially correct 0 ms 348 KB partial
7 Partially correct 0 ms 348 KB partial
8 Partially correct 0 ms 348 KB partial
9 Partially correct 0 ms 604 KB partial
10 Partially correct 0 ms 348 KB partial
11 Correct 0 ms 348 KB ok
12 Correct 0 ms 344 KB ok
13 Partially correct 0 ms 348 KB partial
14 Partially correct 0 ms 348 KB partial
15 Partially correct 0 ms 600 KB partial
16 Correct 1 ms 344 KB ok
17 Partially correct 1 ms 348 KB partial
18 Partially correct 0 ms 348 KB partial
19 Partially correct 1 ms 348 KB partial
20 Partially correct 0 ms 348 KB partial
21 Partially correct 0 ms 348 KB partial
22 Correct 0 ms 348 KB ok
23 Correct 0 ms 348 KB ok
24 Partially correct 0 ms 348 KB partial
25 Partially correct 0 ms 348 KB partial
26 Partially correct 0 ms 348 KB partial
27 Partially correct 0 ms 348 KB partial
28 Partially correct 0 ms 348 KB partial
29 Partially correct 1 ms 348 KB partial
30 Partially correct 0 ms 604 KB partial
31 Partially correct 1 ms 844 KB partial
32 Partially correct 1 ms 696 KB partial
33 Partially correct 1 ms 604 KB partial
34 Correct 0 ms 604 KB ok
35 Correct 0 ms 604 KB ok
36 Partially correct 0 ms 600 KB partial
37 Partially correct 1 ms 604 KB partial
38 Partially correct 0 ms 604 KB partial
39 Partially correct 1 ms 604 KB partial
40 Partially correct 0 ms 704 KB partial
41 Partially correct 1 ms 604 KB partial
42 Partially correct 21 ms 14024 KB partial
43 Partially correct 20 ms 13656 KB partial
44 Partially correct 18 ms 13604 KB partial
45 Partially correct 18 ms 13656 KB partial
46 Partially correct 18 ms 13660 KB partial
47 Partially correct 21 ms 13652 KB partial
48 Correct 18 ms 11608 KB ok
49 Partially correct 19 ms 11612 KB partial
50 Partially correct 18 ms 13656 KB partial
51 Partially correct 26 ms 13660 KB partial
52 Partially correct 17 ms 8536 KB partial
53 Partially correct 16 ms 7184 KB partial
54 Partially correct 16 ms 8792 KB partial
55 Partially correct 17 ms 10332 KB partial
56 Partially correct 16 ms 9356 KB partial
57 Partially correct 18 ms 13656 KB partial
58 Partially correct 18 ms 13704 KB partial
59 Partially correct 17 ms 13840 KB partial

Subtask #6
7.5 / 30.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 344 KB partial
2 Correct 0 ms 344 KB ok
3 Correct 0 ms 348 KB ok
4 Correct 0 ms 348 KB ok
5 Correct 0 ms 444 KB ok
6 Correct 0 ms 344 KB ok
7 Partially correct 0 ms 348 KB partial
8 Partially correct 1 ms 1860 KB partial
9 Partially correct 24 ms 13844 KB partial
10 Partially correct 281 ms 118664 KB partial
11 Partially correct 0 ms 348 KB partial
12 Partially correct 0 ms 348 KB partial
13 Partially correct 0 ms 348 KB partial
14 Partially correct 0 ms 604 KB partial
15 Partially correct 0 ms 348 KB partial
16 Correct 0 ms 348 KB ok
17 Correct 0 ms 344 KB ok
18 Partially correct 0 ms 348 KB partial
19 Partially correct 0 ms 348 KB partial
20 Partially correct 0 ms 600 KB partial
21 Correct 1 ms 344 KB ok
22 Partially correct 1 ms 348 KB partial
23 Partially correct 0 ms 348 KB partial
24 Partially correct 1 ms 348 KB partial
25 Partially correct 0 ms 348 KB partial
26 Partially correct 0 ms 348 KB partial
27 Correct 0 ms 348 KB ok
28 Correct 0 ms 348 KB ok
29 Partially correct 0 ms 348 KB partial
30 Partially correct 0 ms 348 KB partial
31 Partially correct 0 ms 348 KB partial
32 Partially correct 0 ms 348 KB partial
33 Partially correct 0 ms 348 KB partial
34 Partially correct 1 ms 348 KB partial
35 Partially correct 0 ms 604 KB partial
36 Partially correct 1 ms 844 KB partial
37 Partially correct 1 ms 696 KB partial
38 Partially correct 1 ms 604 KB partial
39 Correct 0 ms 604 KB ok
40 Correct 0 ms 604 KB ok
41 Partially correct 0 ms 600 KB partial
42 Partially correct 1 ms 604 KB partial
43 Partially correct 0 ms 604 KB partial
44 Partially correct 1 ms 604 KB partial
45 Partially correct 0 ms 704 KB partial
46 Partially correct 1 ms 604 KB partial
47 Partially correct 21 ms 14024 KB partial
48 Partially correct 20 ms 13656 KB partial
49 Partially correct 18 ms 13604 KB partial
50 Partially correct 18 ms 13656 KB partial
51 Partially correct 18 ms 13660 KB partial
52 Partially correct 21 ms 13652 KB partial
53 Correct 18 ms 11608 KB ok
54 Partially correct 19 ms 11612 KB partial
55 Partially correct 18 ms 13656 KB partial
56 Partially correct 26 ms 13660 KB partial
57 Partially correct 17 ms 8536 KB partial
58 Partially correct 16 ms 7184 KB partial
59 Partially correct 16 ms 8792 KB partial
60 Partially correct 17 ms 10332 KB partial
61 Partially correct 16 ms 9356 KB partial
62 Partially correct 18 ms 13656 KB partial
63 Partially correct 18 ms 13704 KB partial
64 Partially correct 17 ms 13840 KB partial
65 Partially correct 281 ms 118868 KB partial
66 Partially correct 323 ms 118868 KB partial
67 Partially correct 277 ms 118864 KB partial
68 Partially correct 275 ms 118816 KB partial
69 Partially correct 273 ms 118864 KB partial
70 Partially correct 309 ms 118864 KB partial
71 Partially correct 272 ms 118864 KB partial
72 Partially correct 277 ms 118672 KB partial
73 Correct 297 ms 100884 KB ok
74 Correct 285 ms 101720 KB ok
75 Partially correct 259 ms 101408 KB partial
76 Partially correct 273 ms 118868 KB partial
77 Partially correct 289 ms 118868 KB partial
78 Partially correct 270 ms 118796 KB partial
79 Partially correct 262 ms 119000 KB partial
80 Partially correct 270 ms 118732 KB partial
81 Partially correct 254 ms 118612 KB partial
82 Partially correct 278 ms 118548 KB partial
83 Partially correct 290 ms 118868 KB partial
84 Partially correct 249 ms 66640 KB partial
85 Partially correct 249 ms 62380 KB partial
86 Partially correct 249 ms 70552 KB partial
87 Partially correct 242 ms 72276 KB partial
88 Partially correct 257 ms 84048 KB partial
89 Partially correct 273 ms 117588 KB partial
90 Partially correct 286 ms 113680 KB partial
91 Partially correct 269 ms 113700 KB partial
92 Partially correct 280 ms 118804 KB partial
93 Partially correct 286 ms 118868 KB partial
94 Partially correct 274 ms 118612 KB partial
95 Partially correct 258 ms 118612 KB partial
96 Partially correct 262 ms 118096 KB partial
97 Partially correct 288 ms 116052 KB partial
98 Partially correct 300 ms 105300 KB partial
99 Partially correct 277 ms 117840 KB partial
100 Partially correct 288 ms 118840 KB partial
101 Partially correct 284 ms 118864 KB partial
102 Partially correct 273 ms 118608 KB partial
103 Partially correct 291 ms 118796 KB partial
104 Partially correct 308 ms 118668 KB partial
105 Partially correct 328 ms 118864 KB partial
106 Partially correct 282 ms 118864 KB partial
107 Partially correct 277 ms 118864 KB partial
108 Partially correct 289 ms 118028 KB partial
109 Partially correct 317 ms 118416 KB partial