Submission #17756

#	Time	Username	Problem	Language	Result	Execution time	Memory
17756		Adilkhan	Energetic turtle (IZhO11_turtle)	C++98	0 / 100	5 ms	1400 KiB

turtle

#include <bits/stdc++.h>

#define pb push_back
#define endl "\n"
#define mp make_pair 
#define fi first
#define se second
#define all(x) x.begin(), x.end()
#define fname ""
#define sz(x) (int)(x.size())

typedef long long ll;

using namespace std;

const ll N = (ll)(5e5) + 322;
const ll INF = (ll)(1e9);
const ll mod = (ll)(1e9) + 7;
const double eps = 1e-9;

ll n, m, a[100][100], d[100][100][20], z, k, t, x, y, sum; 

int main () {
//	freopen(fname".in", "r", stdin);
	//freopen(fname".out", "w", stdout);
	scanf("%lld%lld%lld%lld%lld", &n, &m, &k, &t, &z);
	if (n > 1000 && m > 1000) {
		assert(0);
	}
	for (int i = 1; i <= k; ++i) {
	  scanf("%lld%lld", &x, &y);
		a[x][y] = 1;
	}
	d[0][0][0] = 1;
	for (int i = 0; i <= n; ++i) {
		for (int j = 0; j <= m; ++j) {
			if (i == 0 && j == 0) continue;
			if (a[i][j] == 1) {
				for (int q = 1; q <= k; ++q) {
					d[i][j][q] = (d[i - 1][j][q - 1] + d[i][j][q]) % z;
					d[i][j][q] = (d[i][j - 1][q - 1] + d[i][j][q]) % z;
				}
			}else {
				for (int q = 0; q <= k; ++q) {
					d[i][j][q] = (d[i - 1][j][q] + d[i][j][q]) % z;
					d[i][j][q] = (d[i][j - 1][q] + d[i][j][q]) % z;				
				}
			}	
		}
	}
	for (int i = 0; i <= t; ++i) {
		sum += d[n][m][i];
		sum %= z;
	}
	printf("%lld", sum);
	return 0;
}

Compilation message (stderr)

turtle.cpp: In function 'int main()':
turtle.cpp:26:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld%lld%lld%lld%lld", &n, &m, &k, &t, &z);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
turtle.cpp:31:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%lld%lld", &x, &y);
    ~~~~~^~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 100