Submission #564189

#	Time	Username	Problem	Language	Result	Execution time	Memory
564189		4fecta	Virus Experiment (JOI19_virus)	C++17	0 / 100	4 ms	2932 KiB

virus

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define int ll
#define ld long double
#define pii pair<int, int>
#define f first
#define s second
#define boost() cin.tie(0), cin.sync_with_stdio(0)

const int MN = 805;

int len, n, m, a[MN][MN];
string s;

int32_t main() {
    boost();

    cin >> len >> n >> m >> s;
    while (s.length() < 1e6) s += s;
    int me = 0, mw = 0, l = 0;
    for (char c : s) {
        if (c == 'E') l++;
        else me = max(me, l), l = 0;
    }
    me = max(me, l);
    for (char c : s) {
        if (c == 'W') l++;
        else mw = max(mw, l), l = 0;
    }
    mw = max(mw, l);
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            cin >> a[i][j];
            if (!a[i][j]) a[i][j] = 0x3f3f3f3f;
        }
    }
    int mn = 0x3f3f3f3f, cnt = 0;
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            if (a[i][j] == 0x3f3f3f3f) continue;
            int l = j, r = j;
            while (1) {
                if (l > 1 && a[i][l - 1] <= me) {
                    l--;
                    continue;
                }
                if (r < m && a[i][r + 1] <= mw) {
                    r++;
                    continue;
                }
                break;
            }
            if (r - l + 1 < mn) mn = r - l + 1, cnt = 1;
            else if (r - l + 1 == mn) cnt++;
        }
    }
    printf("%lld\n%lld\n", mn, cnt);

    return 0;
}

• Subtask 1: 0 / 14
• Subtask 2: 0 / 6
• Subtask 3: 0 / 80