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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#687174 | #7900. Gifts from Knowledge | Vareal | WA | 14ms | 8080kb | C++17 | 2.8kb | 2024-10-29 17:31:46 | 2024-10-29 17:31:47 |
Judging History
answer
#include <cstdio>
#include <iostream>
#include <algorithm>
#include <cstring>
#include <string>
#include <map>
#include <queue>
#include <bitset>
#include <vector>
#include <stack>
#include <cmath>
#include <set>
#include <cassert>
#include <random>
#include <chrono>
#include <ctime>
#include <cstdlib>
#define pii pair<int,int>
#define mp make_pair
#define pb emplace_back
#define debug() cout<<"qwq"<<endl
typedef long long ll;
typedef double db;
typedef long double ldb;
typedef unsigned long long ull;
const int DMAX = 1000000 + 5;
const double INF = 1e9;
const int MOD = 1000000000 + 7;
using namespace std;
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
template<class T> inline void read(T &x){
T f=1; x=0; char ch=getchar();
while(ch<'0' || ch>'9'){
if(ch=='-') f=-1;
ch=getchar();
}
while(ch<='9' && ch>='0'){ x=x*10+ch-'0';ch=getchar(); }
x*=f;
}
int T;
char s[DMAX];
int n, m;
vector<vector<int> > a;
int sum[DMAX];
bool vst[DMAX];
void clear(){
for(int i = 0; i < m; i++) vst[i] = 0;
}
void solve(){
read(n), read(m);
a.clear();
a.resize(n);
for(int i = 0; i < m; i++) vst[i] = 0;
for(int i = 0; i < n; i++) a[i].resize(m);
for(int i = 0; i < m; i++) sum[i] = 0;
for(int i = 0; i < n; i++){
scanf("%s", s);
for(int j = 0; j < m; j++){
a[i][j] = s[j] - '0';
if(a[i][j]){
sum[j] ++;
}
}
}
int qwe = 0;
for(int j = 0; j < m; j++){
qwe += sum[j];
if(sum[j] >= 3){
puts("0");
clear();
return ;
}
}
if(qwe > m){
puts("0");
clear();
return ;
}
for(int j = 0; j < m; j++){
int x = 0;
if(j != m - 1 - j){
x = sum[j] + sum[m - 1 - j];
if(x >= 3){
puts("0");
clear();
return ;
}
}
else{
x = sum[j];
if(x >= 2){
puts("0");
clear();
return ;
}
}
}
int ans = 1;
for(int i = 0 ; i < n; i++){
bool flag = 1;
for(int j = 0; j < m; j++){
if(a[i][j]){
if(vst[j]) flag = 0;
// vst[j] = vst[m - 1 - j] = 1;
}
}
for(int j = 0; j < m; j++){
if(a[i][j]){
vst[j] = vst[m - 1 - j] = 1;
}
}
if(flag){
ans = 2ll * ans % MOD;
}
}
printf("%d\n", ans);
clear();
return ;
}
int main(){
read(T);
while(T--){
solve();
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 5880kb
input:
3 3 5 01100 10001 00010 2 1 1 1 2 3 001 001
output:
4 0 2
result:
ok 3 number(s): "4 0 2"
Test #2:
score: 0
Accepted
time: 14ms
memory: 8064kb
input:
15613 10 10 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 15 8 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1 5 00000 5 9 000000000 000000000 0000...
output:
1024 32768 2 32 32768 128 32 16 16 2 16384 16384 128 128 32768 8192 128 64 16384 2 4 2 4096 16 4096 1024 32768 32768 16384 8 128 2 16 4096 8192 32768 8192 8192 16 16384 16384 256 128 8 256 8 4096 512 2 4 32 32 2 64 512 1024 32768 32768 2 64 16384 16 8192 16 256 16 64 8192 8192 64 1024 2 32768 2 4 51...
result:
ok 15613 numbers
Test #3:
score: -100
Wrong Answer
time: 14ms
memory: 8080kb
input:
15759 9 6 000000 000000 000000 000000 000000 000000 000000 000000 000000 5 15 010000000000000 000000000000000 000000000000000 000100000000000 000100000000000 14 12 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000...
output:
512 16 16384 512 1024 4096 32768 4 2 512 512 512 512 8 2 256 16 4096 512 64 16 4096 512 32 32768 8192 32 2048 128 16 4096 64 32768 256 32 16384 8 512 32 2048 8 16 1024 2048 128 64 32 8 512 8 8192 256 8192 32768 2 8 512 512 256 32 2 2048 8192 8 64 8 2 16384 32768 32768 1024 4096 16384 16384 128 256 4...
result:
wrong answer 462nd numbers differ - expected: '8192', found: '16384'