标签:des style blog http color java os io
Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)
Total Submission(s): 1775 Accepted Submission(s):
796
1 #include<iostream> 2 #include<stdio.h> 3 #include<cstring> 4 #include<cstdlib> 5 using namespace std; 6 7 struct Matrix 8 { 9 int mat[801][801]; 10 }hxl,tom,now; 11 void solve(int n) 12 { 13 int i,j,k; 14 for(i=1;i<=n;i++) 15 { 16 for(k=1;k<=n;k++) 17 { 18 if(hxl.mat[i][k]==0) continue; 19 for(j=1;j<=n;j++) 20 { 21 now.mat[i][j] = now.mat[i][j] + hxl.mat[i][k]*tom.mat[k][j]; 22 } 23 } 24 } 25 for(i=1;i<=n;i++) 26 { 27 for(j=1;j<=n;j++) 28 { 29 if(j==1)printf("%d",now.mat[i][j]%3); 30 else printf(" %d",now.mat[i][j]%3); 31 } 32 printf("\n"); 33 } 34 } 35 int main() 36 { 37 int n; 38 int i,j; 39 while(scanf("%d",&n)>0) 40 { 41 for(i=1;i<=n;i++) 42 for(j=1;j<=n;j++) 43 { 44 scanf("%d",&hxl.mat[i][j]); 45 hxl.mat[i][j]%=3; 46 now.mat[i][j] = 0; 47 } 48 for(i=1;i<=n;i++) 49 for(j=1;j<=n;j++) 50 { 51 scanf("%d",&tom.mat[i][j]); 52 tom.mat[i][j]%=3; 53 } 54 solve(n); 55 56 } 57 return 0; 58 }
HDU 4920 Matrix multiplication 矩阵相乘。稀疏矩阵,布布扣,bubuko.com
HDU 4920 Matrix multiplication 矩阵相乘。稀疏矩阵
标签:des style blog http color java os io
原文地址:http://www.cnblogs.com/tom987690183/p/3894742.html