| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 465996 |
2021-08-17T13:17:09 Z |
Tsovak |
Game (eJOI20_game) |
C++17 |
|
1 ms |
332 KB |
// -------------------- Includes -------------------- //
#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <stdio.h>
#include <cstdlib>
#include <stdlib.h>
#include <array>
#include <string>
#include <cstring>
#include <algorithm>
#include <cmath>
#include <math.h>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <vector>
#include <stack>
#include <queue>
#include <deque>
#include <bitset>
#include <list>
#include <iterator>
#include <numeric>
#include <complex>
#include <tuple>
#include <utility>
#include <cassert>
#include <assert.h>
#include <climits>
#include <limits.h>
#include <ctime>
#include <time.h>
#include <random>
#include <chrono>
#include <fstream>
using namespace std;
// -------------------- Typedefs -------------------- //
typedef long long ll;
typedef unsigned long long ull;
typedef double db;
typedef long double ld;
// -------------------- Defines -------------------- //
#define pr pair
#define mpr make_pair
#define ff first
#define ss second
#define mset multiset
#define mmap multimap
#define uset unordered_set
#define umap unordered_map
#define umset unordered_multiset
#define ummap unordered_multimap
#define pqueue priority_queue
#define sz(x) (int((x).size()))
#define len(x) (int((x).length()))
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define clr(x) (x).clear()
#define pf push_front
#define pb push_back
#define popf pop_front
#define popb pop_back
#define ft front
#define bk back
#define lb lower_bound
#define ub upper_bound
#define bs binary_search
// -------------------- Constants -------------------- //
const int MAX = int(1e9 + 5);
const ll MAXL = ll(1e18 + 5);
const ll MOD = ll(1e9 + 7);
const ll MOD2 = ll(998244353);
// -------------------- Functions -------------------- //
void fastio()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
return;
}
void precision(int x)
{
cout.setf(ios::fixed | ios::showpoint);
cout.precision(x);
return;
}
ll gcd(ll a, ll b)
{
if (a > b) {
swap(a, b);
}
if (a == 0) {
return b;
}
if (a == b) {
return a;
}
return gcd(b % a, a);
}
ll lcm(ll a, ll b)
{
return a / gcd(a, b) * b;
}
bool is_prime(ll a)
{
int i;
for (i = 2; i * i <= a; i++) {
if (a % ll(i) == 0) {
return false;
}
}
return true;
}
bool is_square(ll a)
{
ll b = ll(sqrt(a));
return (b * b == a);
}
bool is_cube(ll a)
{
ll b = ll(cbrt(a));
return (b * b * b == a);
}
int digit_sum(ll a)
{
int sum = 0;
while (a) {
sum += int(a % 10);
a /= 10;
}
return sum;
}
ll binpow(ll a, int b)
{
ll ans = 1;
while (b) {
if ((b & 1) == 1) {
ans *= a;
}
b >>= 1;
a *= a;
}
return ans;
}
ll binpow_by_mod(ll a, ll b, ll mod)
{
ll ans = 1;
while (b) {
if ((b & 1) == 1) {
ans *= a;
ans %= mod;
}
b >>= 1;
a *= a;
a %= mod;
}
return ans;
}
ll factorial(int a)
{
int i;
ll ans = 1;
for (i = 2; i <= a; i++) {
ans *= ll(i);
}
return ans;
}
ll factorial_by_mod(int a, ll mod)
{
int i;
ll ans = 1;
for (i = 2; i <= a; i++) {
ans *= ll(i);
ans %= mod;
}
return ans;
}
// -------------------- Solution -------------------- //
const int N = 25, M = 25;
vector<pr<int, int>> g[N][M];
int color[N][M];
int n, m;
int a[405];
void dfs(int x, int y, int k)
{
int i, j;
int xx, yy;
color[x][y] = k;
for (i = 0; i < sz(g[x][y]); i++) {
xx = g[x][y][i].ff;
yy = g[x][y][i].ss;
if (color[xx][yy]) {
continue;
}
dfs(xx, yy, k);
}
return;
}
void input_()
{
int i, j;
string s;
cin >> n >> m;
for (i = 0; i <= n; i++) {
cin >> s;
if (i > 0 && i < n) {
for (j = 0; j < m; j++) {
if (s[j] == '0') {
g[i][j + 1].pb(mpr(i + 1, j + 1));
g[i + 1][j + 1].pb(mpr(i, j + 1));
}
}
}
}
for (i = 1; i <= n; i++) {
cin >> s;
for (j = 1; j < m; j++) {
if (s[j] == '0') {
g[i][j].pb(mpr(i, j + 1));
g[i][j + 1].pb(mpr(i, j));
}
}
}
return;
}
void solve()
{
int i, j;
int k = 1;
input_();
for (i = 1; i <= n; i++) {
for (j = 1; j <= m; j++) {
if (!color[i][j] && sz(g[i][j])) {
dfs(i, j, k);
k++;
}
}
}
k--;
for (i = 1; i <= n; i++) {
for (j = 1; j <= m; j++) {
a[color[i][j]]++;
}
}
/*for (i = 1; i <= n; i++) {
for (j = 1; j <= m; j++) {
cout << '.' << i << ' ' << j << endl;
for (auto x : g[i][j]) {
cout << x.ff << ' ' << x.ss << endl;
}
}
}*/
/*for (i = 1; i <= n; i++) {
for (j = 1; j <= m; j++) {
cout << color[i][j] << ' ';
}
cout << endl;
}*/
if (k == 1) {
cout << 0 - a[1] << endl;
}
else {
}
return;
}
void precalc()
{
return;
}
int main()
{
fastio();
precalc();
int tests = 1, tc;
//cin >> tests;
for (tc = 1; tc <= tests; tc++) {
solve();
}
//cout << db(clock()) / CLOCKS_PER_SEC << endl;
return 0;
}
/*
# # # # # # # # # # # # # # # # #
# # # # # # # # # #
# # # # # # # # # # # # #
# # # # # # # # # # # #
# # # # # # # # # # # # # #
*/
Compilation message
game.cpp: In function 'void dfs(int, int, int)':
game.cpp:216:9: warning: unused variable 'j' [-Wunused-variable]
216 | int i, j;
| ^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
204 KB |
Output is correct |
| 2 |
Correct |
0 ms |
204 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
0 ms |
332 KB |
Output is correct |
| 5 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
| 6 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
204 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
