Submission #169889

#	Time	Username	Problem	Language	Result	Execution time	Memory
169889		stefdasca	Bomb (IZhO17_bomb)	C++14	24 / 100	47 ms	9212 KiB

bomb

#include<bits/stdc++.h>
#define god dimasi5eks
#pragma GCC optimize("O3")
#define fi first
#define se second
#define pb push_back
#define pf push_front
#define mod 1000000007
#define dancila 3.14159265359
#define eps 1e-9

using namespace std;

typedef long long ll;


int add(int a, int b)
{
    ll x = a+b;
    if(x >= mod)
        x -= mod;
    if(x < 0)
        x += mod;
    return x;
}
ll mul(ll a, ll b)
{
    return (a*b) % mod;
}

ll pw(ll a, ll b)
{
    ll ans = 1;
    while(b)
    {
        if(b & 1)
            ans = (ans * a) % mod;
        a = (a * a) % mod;
        b >>= 1;
    }
    return ans;
}
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
long long rand_seed()
{
    long long a = rng();
    return a;
}
char c[2600][2600];
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n, m;
    cin >> n >> m;
    for(int i = 1; i <= n; ++i)
        cin >> (c[i] + 1);
    int mnx = m, mny = n;
    for(int i = 1; i <= n; ++i)
    {
        int str = 0;
        for(int j = 1; j <= m; ++j)
        {
            if(c[i][j] == '1')
                ++str;
            else
            {
                if(str)
                    mnx = min(mnx, str);
                str = 0;
            }
        }
        if(str)
            mnx = min(mnx, str);
    }
    for(int j = 1; j <= m; ++j)
    {
        int str = 0;
        for(int i = 1; i <= n; ++i)
        {
            if(c[i][j] == '1')
                ++str;
            else
            {
                if(str)
                    mny = min(mny, str);
                str = 0;
            }
        }
        if(str)
            mny = min(mny, str);
    }
    cout << mnx * mny << '\n';
    return 0;
}

• Subtask 1: 24 / 100