oj.uz

Submission #877345

# Submission time Handle Problem Language Result Execution time Memory
877345 2023-11-23T07:27:01 Z marcid Bomb (IZhO17_bomb) C++17
19 / 100
 257 ms 7124 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
const int maxn = 2501;
char field[maxn][maxn];
int mn1=maxn,mn2=maxn;
int count(string s) {
	int cnt = 1; int best = s.size();
	bool ret = false; 
	for (int i = 0; i < s.size(); i++) {
		if (s[i]=='1') ret=true;
	} for (int i = 1; i < s.size(); i++) {
		if (s[i]=='1' && s[i-1]=='1') cnt++;
		else if(s[i-1]=='1' && s[i]=='0') {best=min(best,cnt);cnt=1;}
	}
	if (s.size()>1 && s[s.size()-1]=='1' && s[s.size()-2]=='0') best=1;
	return (ret ? (best) : 0);
}

signed main() {
	int n,m; cin >> n >> m;
	for (int i = 1; i <= n; i++) {
		for (int j = 1; j <= m; j++) {
			cin >> field[i][j];
		}
	} for (int i = 1; i <= n; i++) {
		string t="";
		for (int j = 1; j <= m; j++) t+=field[i][j];
		int x = count(t);
		if (x>0) mn1=min(mn1,x);
	} for (int j = 1; j <= m; j++) {
		string t="";
		for (int i = 1; i <= n; i++) t+=field[i][j];
		int x = count(t);
		if (x>0) mn2=min(mn2, x);
	}
	cout << ((maxn==mn1 || maxn==mn2) ? 0 : mn1*mn2) <<'\n';
}

Compilation message

bomb.cpp: In function 'long long int count(std::string)':
bomb.cpp:10:20: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |  for (int i = 0; i < s.size(); i++) {
      |                  ~~^~~~~~~~~~
bomb.cpp:12:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |  } for (int i = 1; i < s.size(); i++) {
      |                    ~~^~~~~~~~~~

Subtask #1
19.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 2 ms 6492 KB Output isn't correct
4 Correct 1 ms 6492 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Incorrect 0 ms 348 KB Output isn't correct
7 Correct 0 ms 348 KB Output is correct
8 Incorrect 0 ms 348 KB Output isn't correct
9 Incorrect 0 ms 348 KB Output isn't correct
10 Incorrect 0 ms 348 KB Output isn't correct
11 Incorrect 0 ms 348 KB Output isn't correct
12 Incorrect 0 ms 348 KB Output isn't correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Incorrect 0 ms 344 KB Output isn't correct
16 Incorrect 0 ms 348 KB Output isn't correct
17 Correct 1 ms 604 KB Output is correct
18 Incorrect 0 ms 604 KB Output isn't correct
19 Incorrect 1 ms 2648 KB Output isn't correct
20 Incorrect 2 ms 2648 KB Output isn't correct
21 Incorrect 0 ms 348 KB Output isn't correct
22 Incorrect 1 ms 2652 KB Output isn't correct
23 Incorrect 1 ms 2652 KB Output isn't correct
24 Incorrect 1 ms 2652 KB Output isn't correct
25 Incorrect 1 ms 2652 KB Output isn't correct
26 Correct 1 ms 2652 KB Output is correct
27 Correct 4 ms 2648 KB Output is correct
28 Incorrect 5 ms 2668 KB Output isn't correct
29 Incorrect 5 ms 2652 KB Output isn't correct
30 Incorrect 8 ms 2652 KB Output isn't correct
31 Incorrect 7 ms 2652 KB Output isn't correct
32 Incorrect 6 ms 2652 KB Output isn't correct
33 Incorrect 8 ms 2652 KB Output isn't correct
34 Incorrect 4 ms 2652 KB Output isn't correct
35 Incorrect 9 ms 2652 KB Output isn't correct
36 Incorrect 8 ms 2672 KB Output isn't correct
37 Incorrect 1 ms 348 KB Output isn't correct
38 Correct 235 ms 6496 KB Output is correct
39 Incorrect 0 ms 344 KB Output isn't correct
40 Incorrect 29 ms 2904 KB Output isn't correct
41 Incorrect 0 ms 344 KB Output isn't correct
42 Incorrect 1 ms 2648 KB Output isn't correct
43 Correct 229 ms 6500 KB Output is correct
44 Incorrect 8 ms 2652 KB Output isn't correct
45 Incorrect 234 ms 6484 KB Output isn't correct
46 Correct 227 ms 6540 KB Output is correct
47 Incorrect 229 ms 6488 KB Output isn't correct
48 Incorrect 227 ms 6504 KB Output isn't correct
49 Correct 229 ms 6484 KB Output is correct
50 Incorrect 234 ms 6740 KB Output isn't correct
51 Incorrect 230 ms 6484 KB Output isn't correct
52 Incorrect 229 ms 6492 KB Output isn't correct
53 Incorrect 234 ms 6768 KB Output isn't correct
54 Incorrect 230 ms 6480 KB Output isn't correct
55 Incorrect 227 ms 6504 KB Output isn't correct
56 Correct 231 ms 6492 KB Output is correct
57 Incorrect 234 ms 6504 KB Output isn't correct
58 Incorrect 226 ms 6488 KB Output isn't correct
59 Incorrect 236 ms 6476 KB Output isn't correct
60 Correct 228 ms 6504 KB Output is correct
61 Incorrect 231 ms 6480 KB Output isn't correct
62 Correct 235 ms 6480 KB Output is correct
63 Correct 229 ms 6484 KB Output is correct
64 Correct 257 ms 6616 KB Output is correct
65 Incorrect 239 ms 6500 KB Output isn't correct
66 Incorrect 228 ms 6508 KB Output isn't correct
67 Incorrect 232 ms 6992 KB Output isn't correct
68 Incorrect 226 ms 6484 KB Output isn't correct
69 Incorrect 234 ms 6504 KB Output isn't correct
70 Incorrect 151 ms 5204 KB Output isn't correct
71 Incorrect 227 ms 6456 KB Output isn't correct
72 Incorrect 226 ms 6540 KB Output isn't correct
73 Incorrect 227 ms 6480 KB Output isn't correct
74 Incorrect 227 ms 6392 KB Output isn't correct
75 Incorrect 237 ms 6712 KB Output isn't correct
76 Incorrect 229 ms 6512 KB Output isn't correct
77 Incorrect 229 ms 6508 KB Output isn't correct
78 Incorrect 236 ms 6744 KB Output isn't correct
79 Incorrect 228 ms 6508 KB Output isn't correct
80 Incorrect 231 ms 6484 KB Output isn't correct
81 Incorrect 230 ms 6352 KB Output isn't correct
82 Incorrect 226 ms 6484 KB Output isn't correct
83 Incorrect 229 ms 6308 KB Output isn't correct
84 Incorrect 225 ms 6488 KB Output isn't correct
85 Incorrect 249 ms 6496 KB Output isn't correct
86 Incorrect 226 ms 6484 KB Output isn't correct
87 Incorrect 225 ms 6488 KB Output isn't correct
88 Incorrect 227 ms 6536 KB Output isn't correct
89 Incorrect 233 ms 7124 KB Output isn't correct
90 Incorrect 147 ms 5236 KB Output isn't correct
91 Incorrect 226 ms 6480 KB Output isn't correct
92 Incorrect 230 ms 6488 KB Output isn't correct
93 Incorrect 234 ms 6480 KB Output isn't correct
94 Incorrect 227 ms 6488 KB Output isn't correct
95 Incorrect 234 ms 6740 KB Output isn't correct
96 Incorrect 234 ms 6440 KB Output isn't correct
97 Incorrect 227 ms 6488 KB Output isn't correct
98 Incorrect 234 ms 6484 KB Output isn't correct
99 Incorrect 225 ms 6488 KB Output isn't correct
100 Incorrect 231 ms 6544 KB Output isn't correct