Submission #1114025

# Submission time Handle Problem Language Result Execution time Memory
1114025 2024-11-18T06:28:36 Z adiyer Bomb (IZhO17_bomb) C++17
24 / 100
124 ms 103460 KB
// 194.67
#pragma optimize ("g",on)
#pragma GCC optimize("inline")
#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC optimize ("03")
// #pragma GCC target ("sse,sse2,sse3,ssse3,sse4,popcnt,abm,avx2,mmx,fma,avx,tune=native")
 
#include <bits/stdc++.h>

#define file(s) freopen(s".in", "r", stdin); freopen(s".out", "w", stdout);
#define adiyer(); ios_base::sync_with_stdio(0); cin.tie(0);
#define bitcount(n) __builtin_popcountll(n)
#define puts(x) cout << (x ? "YES\n" : "NO\n");
#define ent (i == n ? '\n' : ' ')
#define all(x) x.begin(), x.end()
#define md ((l + r) >> 1)
#define rv(v) ((v << 1) | 1)
#define lv(v) (v << 1)
#define rs(v) rv(v), md + 1, r
#define ls(v) lv(v), l, md
#define len(s) (int) s.size()
 
#define yes { cout << "YES\n"; return; }
#define no { cout << "NO\n"; return; }
#define skip continue
#define pb push_back
#define S second
#define F first
#define ne !=

// #define int long long
 
using namespace std;
 
typedef long long ll;
typedef long double ld;
typedef vector < ll > vll;
typedef pair < ll, ll > pll;
typedef vector < pair < ll, ll > > vpll;

const int dx[8] = {-1, 0, 1, 0, 1, 1, -1, -1};
const int dy[8] = {0, 1, 0, -1, -1, 1, -1, 1};
const int N = 2.5e3 + 5;
const int K = 1e5 + 3;
const int MAX = 1e6;
const int mod = 998244353;
const long long inf = 2e9;
const ll o = 1;
 
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());

ll n, m, w, h;
ll a[N][N], pref[N][N];

char c;

ll get(ll l1, ll r1, ll l2, ll r2){
	return pref[l2][r2] - pref[l1 - 1][r2] - pref[l2][r1 - 1] + pref[l1 - 1][r1 - 1];
}

void output(){
	cin >> n >> m, w = m, h = n;
	for(ll i = 1; i <= n; i++)
		for(ll j = 1; j <= m; j++)
			cin >> c, a[i][j] = c - '0';
	for(ll i = 1; i <= n; i++)
		for(ll j = 1; j <= m; j++) 
			pref[i][j] = pref[i - 1][j] + pref[i][j - 1] - pref[i - 1][j - 1] + a[i][j];
	for(ll i = 1; i <= n; i++){
		for(ll j = 1; j <= m; j++){
			if(!a[i][j - 1] && a[i][j]){
				ll l = j, r = m + 1;
				while(r - l > 1){
					if(get(i, j, i, md) == md - j + 1) l = md;
					else r = md;
				}
				w = min(w, l - j + 1);
				// cout << i << ' ' << j << ' ' << l << '\n';
			}
			if(!a[i - 1][j] && a[i][j]){
				ll l = i, r = n + 1;
				while(r - l > 1){
					if(get(i, j, md, j) == md - i + 1) l = md;
					else r = md;
				}
				h = min(h, l - i + 1);
				// cout << i << ' ' << j << ' ' << l << '\n';
			}
		}
	}
	cout << h * w;
}


const bool cases = 0;

signed main(){
//  file("disrupt");
    adiyer();
    int tt = 1;
    if(cases) cin >> tt;
    for(int i = 1; i <= tt; i++){
//      cout << "Case " << i << ":\n";
        output();
        // slow();
        // stress();
    }
}

Compilation message

bomb.cpp:2: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    2 | #pragma optimize ("g",on)
      |
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 4432 KB Output is correct
3 Correct 13 ms 59900 KB Output is correct
4 Correct 14 ms 59728 KB Output is correct
5 Correct 2 ms 2384 KB Output is correct
6 Correct 1 ms 2384 KB Output is correct
7 Correct 1 ms 2384 KB Output is correct
8 Incorrect 1 ms 4444 KB Output isn't correct
9 Incorrect 1 ms 4432 KB Output isn't correct
10 Incorrect 1 ms 336 KB Output isn't correct
11 Incorrect 1 ms 4432 KB Output isn't correct
12 Incorrect 1 ms 2384 KB Output isn't correct
13 Correct 1 ms 2384 KB Output is correct
14 Correct 1 ms 4432 KB Output is correct
15 Incorrect 2 ms 4432 KB Output isn't correct
16 Correct 2 ms 4432 KB Output is correct
17 Correct 1 ms 4688 KB Output is correct
18 Incorrect 2 ms 4688 KB Output isn't correct
19 Incorrect 2 ms 4944 KB Output isn't correct
20 Incorrect 2 ms 4944 KB Output isn't correct
21 Incorrect 1 ms 4688 KB Output isn't correct
22 Incorrect 2 ms 4944 KB Output isn't correct
23 Incorrect 2 ms 4944 KB Output isn't correct
24 Incorrect 2 ms 4944 KB Output isn't correct
25 Incorrect 2 ms 4944 KB Output isn't correct
26 Correct 2 ms 5112 KB Output is correct
27 Correct 5 ms 10320 KB Output is correct
28 Incorrect 5 ms 10724 KB Output isn't correct
29 Incorrect 6 ms 13304 KB Output isn't correct
30 Incorrect 6 ms 13800 KB Output isn't correct
31 Incorrect 6 ms 13136 KB Output isn't correct
32 Incorrect 7 ms 13648 KB Output isn't correct
33 Incorrect 7 ms 15952 KB Output isn't correct
34 Incorrect 5 ms 4432 KB Output isn't correct
35 Incorrect 7 ms 16124 KB Output isn't correct
36 Correct 8 ms 7248 KB Output is correct
37 Incorrect 1 ms 4432 KB Output isn't correct
38 Correct 118 ms 98544 KB Output is correct
39 Incorrect 1 ms 4464 KB Output isn't correct
40 Incorrect 19 ms 33872 KB Output isn't correct
41 Incorrect 1 ms 4432 KB Output isn't correct
42 Incorrect 1 ms 4944 KB Output isn't correct
43 Correct 108 ms 103460 KB Output is correct
44 Incorrect 9 ms 15952 KB Output isn't correct
45 Incorrect 109 ms 98560 KB Output isn't correct
46 Correct 119 ms 103240 KB Output is correct
47 Incorrect 97 ms 98580 KB Output isn't correct
48 Incorrect 99 ms 98384 KB Output isn't correct
49 Correct 97 ms 98376 KB Output is correct
50 Incorrect 99 ms 101828 KB Output isn't correct
51 Incorrect 94 ms 98376 KB Output isn't correct
52 Incorrect 93 ms 98552 KB Output isn't correct
53 Incorrect 97 ms 98376 KB Output isn't correct
54 Incorrect 96 ms 98376 KB Output isn't correct
55 Incorrect 105 ms 98376 KB Output isn't correct
56 Correct 116 ms 98376 KB Output is correct
57 Incorrect 114 ms 98376 KB Output isn't correct
58 Incorrect 110 ms 98376 KB Output isn't correct
59 Incorrect 113 ms 103240 KB Output isn't correct
60 Correct 124 ms 103240 KB Output is correct
61 Correct 119 ms 98376 KB Output is correct
62 Correct 110 ms 98376 KB Output is correct
63 Correct 109 ms 98376 KB Output is correct
64 Correct 117 ms 101704 KB Output is correct
65 Incorrect 124 ms 101712 KB Output isn't correct
66 Incorrect 112 ms 101704 KB Output isn't correct
67 Incorrect 124 ms 103240 KB Output isn't correct
68 Incorrect 122 ms 98384 KB Output isn't correct
69 Incorrect 111 ms 103264 KB Output isn't correct
70 Incorrect 83 ms 82904 KB Output isn't correct
71 Incorrect 111 ms 98376 KB Output isn't correct
72 Incorrect 120 ms 98376 KB Output isn't correct
73 Incorrect 108 ms 98540 KB Output isn't correct
74 Incorrect 119 ms 103412 KB Output isn't correct
75 Incorrect 109 ms 98376 KB Output isn't correct
76 Incorrect 102 ms 98376 KB Output isn't correct
77 Incorrect 105 ms 98376 KB Output isn't correct
78 Incorrect 110 ms 100692 KB Output isn't correct
79 Incorrect 108 ms 101708 KB Output isn't correct
80 Incorrect 114 ms 101860 KB Output isn't correct
81 Incorrect 108 ms 101700 KB Output isn't correct
82 Incorrect 108 ms 98528 KB Output isn't correct
83 Incorrect 110 ms 98384 KB Output isn't correct
84 Incorrect 105 ms 98572 KB Output isn't correct
85 Incorrect 120 ms 98376 KB Output isn't correct
86 Incorrect 113 ms 98548 KB Output isn't correct
87 Incorrect 108 ms 98376 KB Output isn't correct
88 Incorrect 123 ms 101836 KB Output isn't correct
89 Incorrect 109 ms 98544 KB Output isn't correct
90 Incorrect 91 ms 83016 KB Output isn't correct
91 Incorrect 108 ms 98532 KB Output isn't correct
92 Incorrect 117 ms 98376 KB Output isn't correct
93 Incorrect 110 ms 101704 KB Output isn't correct
94 Incorrect 113 ms 98536 KB Output isn't correct
95 Incorrect 112 ms 98388 KB Output isn't correct
96 Incorrect 102 ms 101704 KB Output isn't correct
97 Incorrect 120 ms 98376 KB Output isn't correct
98 Incorrect 113 ms 101712 KB Output isn't correct
99 Incorrect 109 ms 98548 KB Output isn't correct
100 Incorrect 115 ms 98376 KB Output isn't correct