九度OJ 题目1001:A+B for Matrices
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- 题目描述:
This time, you are supposed to find A+B where A and B are two matrices, and then count the number of zero rows and columns.
- 输入:
The input consists of several test cases, each starts with a pair of positive integers M and N (≤10) which are the number of rows and columns of the matrices, respectively. Then 2*M lines follow, each contains N integers in [-100, 100], separated by a space. The first M lines correspond to the elements of A and the second M lines to that of B.
The input is terminated by a zero M and that case must NOT be processed.
- 输出:
For each test case you should output in one line the total number of zero rows and columns of A+B.
- 样例输入:
2 21 11 1-1 -110 92 31 2 34 5 6-1 -2 -3-4 -5 -60
- 样例输出:
15
我的答案:
#include<iostream>#include<cstdio>#include<cstring>#include<cstdlib>using namespace std;int main(){ //freopen("input.txt","r",stdin); int m,n,a,i,j,k,p,q,s;//p是0行数,q室0列数,s是行累加和 int A [10][10]; int l [10];//列累加和数组 memset(A,0,sizeof(int)*100); memset(l,0,sizeof(int)*10); while(cin>>m && m) { cin >> n; p=0,q=0;//每次2组过后,p,q重置 for(k=0;k<2;k++)//运行两次 { for(i=0;i<m;i++)//矩阵的行数 { s=0; for(j=0;j<n;j++)//矩阵的列数 { cin>>a; A[i][j]+=a; if(k==1)//k=1时,第二次运行 { l[j]+=abs(A[i][j]); s=s+abs(A[i][j]);//计算一行的累加和 } } if((k==1)&&(s==0)) p++; } } for(int t=0;t<n;t++)//统计列中的0列 { if(l[t]==0) q++; } // cout<<"行数"<<p<<endl; // cout<<"列数"<<q<<endl; cout<<p+q<<endl; memset(A,0,sizeof(int)*100); memset(l,0,sizeof(int)*10); } return 0;}
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