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QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #398285 | #3767. 奇矩阵 | xlwang# | AC ✓ | 11ms | 7560kb | C++14 | 1.4kb | 2024-04-25 10:22:20 | 2024-04-25 10:22:20 |
Judging History
answer
#include<bits/stdc++.h>
#define fr(i,j,k) for(register int i=j;i<=k;++i)
#define rf(i,j,k) for(register int i=j;i>=k;--i)
#define foredge(i,j) for(register int i=head[j];i;i=e[i].nxt)
#define pb push_back
#define Times printf("Time:%.3lf\n",clock()/CLOCKS_PER_SEC)
using namespace std;
inline int read(){
int x=0;
bool f=0;
char c=getchar();
while(!isdigit(c)) f|=(c=='-'),c=getchar();
while(isdigit(c)) x=(x<<3)+(x<<1)+(c^48),c=getchar();
return f?-x:x;
}
inline void write(int x){
if(x<0){putchar('-');x=-x;}
if(x>9)write(x/10);
putchar(x%10+'0');
}
inline void writeln(int x){write(x); puts("");}
inline void writepl(int x){write(x); putchar(' ');}
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
inline int randfind(int l,int r){return rnd()%(r-l+1)+l;}
//inline void init(){
// int t=read();
// while(t--) work();
//}
int n,m;
const int Maxn=1e3+10;
int a[Maxn][Maxn];
inline void work(){
fr(i,1,n) fr(j,1,m) a[i][j]=read();
if(n>=3){
puts("No");
return;
}
if(n==1){
puts("Yes");
return;
}
int s=0;
fr(i,1,m) s=(s+abs(a[1][i]-a[2][i]))%2;
if(s&1) puts("Yes");
else puts("No");
}
inline void init(){
while(cin>>n>>m) work();
}
signed main(){
// freopen("input.in","r",stdin);
// freopen("output.out","w",stdout);
init();
// printf("\nTIME:%.3lf",(double)clock()/CLOCKS_PER_SEC);
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 11ms
memory: 7560kb
input:
1 2 0 0 2 3 1 2 3 2 1 4 3 3 1 2 3 4 5 6 7 8 9 1 1000 8 9 1 7 4 2 0 5 3 7 8 3 4 7 2 3 0 1 7 5 2 8 0 4 9 2 0 9 6 8 3 5 2 6 0 2 6 0 9 3 4 8 5 4 2 2 4 4 6 7 8 1 1 8 0 7 2 0 3 2 6 1 9 1 5 0 0 5 6 7 3 6 1 0 8 2 5 7 0 7 3 8 6 3 1 5 2 1 8 4 1 0 1 2 3 3 6 3 5 6 7 0 7 7 3 2 0 9 9 1 6 0 1 6 3 7 6 3 6 7 4 3 7 7...
output:
Yes Yes No Yes No No Yes No Yes Yes No Yes No Yes Yes Yes Yes No No No Yes Yes Yes No No No Yes Yes Yes Yes Yes Yes No No No Yes Yes No Yes Yes Yes Yes No Yes Yes No Yes Yes Yes No No Yes No No Yes Yes Yes Yes No No Yes No No No No No Yes Yes No Yes No No Yes Yes Yes Yes No Yes No Yes Yes No Yes No ...
result:
ok 257 lines