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QOJ

ID	题目	提交者	结果	用时	内存	语言	文件大小	提交时间	测评时间
#96425	#2921. Land Equality	mariam^#	WA	2ms	3576kb	C++17	2.7kb	2023-04-13 21:19:49	2023-04-13 21:20:11

Judging History

你现在查看的是最新测评结果

[2023-08-10 23:21:45]
System Update: QOJ starts to keep a history of the judgings of all the submissions.

[2023-04-13 21:20:11]
评测

测评结果：WA
用时：2ms
内存：3576kb

查看

[2023-04-13 21:19:49]
提交

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;
}

long long pw[100];

void m() {
    int r, c, x;
    cin >> r >> c;
    int c0 = 0, c2 = 0, c1 = 0;
    for (int i = 0; i < r; ++i) {
        for (int j = 0; j < c; ++j) {
            cin >> x;
            if (x == 0)c0++;
            else if (x == 2)c2++;
            else c1++;

        }
    }
    pw[0] = 1;
    for(int i = 1; i <= 64; i++)
        pw[i] = pw[i - 1] * 2;
    ll ans = 0;
    if (c0 >= 2)
        ans = 0;
    else if (c0 == 1) {
        if (c1)ans = 1;
        else if (c2)ans = 2;
    } else if (c2 >= 1) {
        if (c2 % 2 == 0)
            ans = 0;
        else
            ans = pw[c2 / 2 + 1] - pw[c2 / 2];
    } else
        ans = 0;
    cout<<ans;
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int t = 1;
    //   cin>>t;
    while (t--) {
        m();
    }

}

源文件, 语言: C++17

详细

Test #1:

score: 100

Accepted

time: 2ms

memory: 3368kb

input:

1 2
0 1

output:

result:

ok single line: '1'

Test #2:

score: 0

Accepted

time: 0ms

memory: 3380kb

input:

1 2
0 2

output:

result:

ok single line: '2'

Test #3:

score: 0

Accepted

time: 2ms

memory: 3308kb

input:

1 2
1 2

output:

result:

ok single line: '1'

Test #4:

score: 0

Accepted

time: 2ms

memory: 3368kb

input:

2 1
1
1

output:

result:

ok single line: '0'

Test #5:

score: 0

Accepted

time: 2ms

memory: 3360kb

input:

2 1
0
0

output:

result:

ok single line: '0'

Test #6:

score: 0

Accepted

time: 2ms

memory: 3576kb

input:

output:

result:

ok single line: '0'

Test #7:

score: 0

Accepted

time: 1ms

memory: 3428kb

input:

output:

result:

ok single line: '512'

Test #8:

score: 0

Accepted

time: 0ms

memory: 3544kb

input:

2 3
0 1 2
1 1 2

output:

result:

ok single line: '1'

Test #9:

score: 0

Accepted

time: 2ms

memory: 3324kb

input:

2 6
0 2 2 1 2 2
1 1 1 1 2 2

output:

result:

ok single line: '1'

Test #10:

score: 0

Accepted

time: 2ms

memory: 3552kb

input:

output:

result:

ok single line: '1'

Test #11:

score: -100

Wrong Answer

time: 2ms

memory: 3424kb

input:

1 3
0 1 2

output:

result:

wrong answer 1st lines differ - expected: '2', found: '1'