QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#96468 | #2921. Land Equality | mariam# | WA | 3ms | 3576kb | C++17 | 2.6kb | 2023-04-13 21:48:14 | 2023-04-13 21:48:17 |
Judging History
answer
//#include <bits/stdc++.h>
#include <iostream>
#include <vector>
#include <algorithm>
#include <cstring>
#include <set>
#include <unordered_set>
#include <queue>
#include <map>
#include <cmath>
#include <climits>
#include <iomanip>
#include <unordered_map>
#include <stdio.h>
#include <stack>
#include <list>
#include "complex"
#include <assert.h>
#define el '\n'
#define ll long long
#define ld long double
using namespace std;
//
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//
//using namespace __gnu_pbds;
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
const int N = 2e5 + 5, mod = 1e9 + 7, MAX = 1e9 + 1, M = 1e5;
long double PI = 3.14159265358979323846;;
#define point complex<long double>
#define vec(a, b) b-a
#define dot(a, b) (long double)(conj(a)*b).real()
#define cross(a, b) (long double)(conj(a)*b).imag()
#define length(a) (hypot((a).imag(), (a).real()))
#define angle(a) atan2((a).imag(), (a).real())
int h, w;
//char a[201][201];
//int dx[] = {0, 0, -1, 1, 1, -1, -1, 1}, dy[] = {-1, 1, 0, 0, 1, -1, 1, -1};
//int dx[] = {-1, -1, 0, 0, 1, 1}, dy[] = {-1, 0, -1, 1, 0, 1};
//
//bool valid(int i, int j) {
// return (i < h && i >= 0 && j < w && j >= 0);
//}
//
//bool vis[201][201];
ll mul(ll a, ll b) {
return ((a % mod) * (b % mod)) % mod;
}
ll add(ll a, ll b) {
return ((a % mod) + (b % mod)) % mod;
}
ll sub(ll a, ll b) {
return ((((a + mod) % mod) - ((b + mod) % mod)) + mod) % mod;
}
ll fastpow(ll b, ll p) {
if (p == 0)
return 1;
if (p == 1) {
return b;
}
ll hp = fastpow(b, p / 2);
ll ans = ((hp % mod) * (hp % mod)) % mod;
if (p % 2) {
ans = (ans * b) % mod;
}
return ans % mod;
}
void m() {
ll n, m;
cin >> n >> m;
ll c0=0,c2=0,c1=0;
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
int in;
cin>>in;
c1+=(in==1);
c2+=(in==2);
c0+=(in==0);
}
}
//
if(c0>=2){
cout<<"0\n";
}else if(c0==1){
if(c1)cout<<"1\n";
else if(c2) cout<<"2\n";
else cout<<"0\n";
}else{
if(!c2){
cout<<"1\n";
}else{
if(c2%2)
cout<<(1LL<<(c2-1LL))<<"\n";
else cout<<"0\n";
}
}
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int t = 1;
// cin>>t;
while (t--) {
m();
}
}
Details
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Test #1:
score: 100
Accepted
time: 2ms
memory: 3396kb
input:
1 2 0 1
output:
1
result:
ok single line: '1'
Test #2:
score: 0
Accepted
time: 3ms
memory: 3576kb
input:
1 2 0 2
output:
2
result:
ok single line: '2'
Test #3:
score: 0
Accepted
time: 2ms
memory: 3384kb
input:
1 2 1 2
output:
1
result:
ok single line: '1'
Test #4:
score: -100
Wrong Answer
time: 2ms
memory: 3388kb
input:
2 1 1 1
output:
1
result:
wrong answer 1st lines differ - expected: '0', found: '1'