- #include<stdio.h>
- #include<math.h>
- int s[20][20]={
- {8,2,22,97,38,15,0,40,0,75,4,5,7,78,52,12,50,77,91,8},
- {49,49,99,40,17,81,18,57,60,87,17,40,98,43,69,48,4,56,62,0},
- {81,49,31,73,55,79,14,29,93,71,40,67,53,88,30,3,49,13,36,65},
- {52,70,95,23,4,60,11,42,69,24,68,56,1,32,56,71,37,2,36,91},
- {22,31,16,71,51,67,63,89,41,92,36,54,22,40,40,28,66,33,13,80},
- {24,47,32,60,99,3,45,2,44,75,33,53,78,36,84,20,35,17,12,50},
- {32,98,81,28,64,23,67,10,26,38,40,67,59,54,70,66,18,38,64,70},
- {67,26,20,68,2,62,12,20,95,63,94,39,63,8,40,91,66,49,94,21},
- {24,55,58,5,66,73,99,26,97,17,78,78,96,83,14,88,34,89,63,72},
- {21,36,23,9,75,0,76,44,20,45,35,14,0,61,33,97,34,31,33,95},
- {78,17,53,28,22,75,31,67,15,94,3,80,4,62,16,14,9,53,56,92},
- {16,39,5,42,96,35,31,47,55,58,88,24,0,17,54,24,36,29,85,57},
- {86,56,0,48,35,71,89,7,5,44,44,37,44,60,21,58,51,54,17,58},
- {19,80,81,68,5,94,47,69,28,73,92,13,86,52,17,77,4,89,55,40},
- {04,52,8,83,97,35,99,16,7,97,57,32,16,26,26,79,33,27,98,66},
- {88,36,68,87,57,62,20,72,3,46,33,67,46,55,12,32,63,93,53,69},
- {04,42,16,73,38,25,39,11,24,94,72,18,8,46,29,32,40,62,76,36},
- {20,69,36,41,72,30,23,88,34,62,99,69,82,67,59,85,74,4,36,16},
- {20,73,35,29,78,31,90,1,74,31,49,71,48,86,81,16,23,57,5,54},
- {01,70,54,71,83,51,54,69,16,92,33,48,61,43,52,1,89,19,67,48}};
- int Num_Ver,Num_Hor;
- void main()
- {
- int judge(int i,int j,int max,int *p);
- int calc_horizontal(int i,int j);
- int calc_vertical(int i,int j);
- int calc_diagonal(int i,int j);
- int calc_max(int a,int b,int c,int max,int *p,int i,int j);
- int i,j,max=0,method=0;//about method 1:horizontal 2:vertical 3:calc_diagonal
- int *p=&method;
- for(i=0;i<20;i++)
- for(j=0;j<20;j++)
- {
- max=judge(i,j,max,p);
- }
- printf("the max %d\n",max);
- if(method==1) printf("the combination was [%d][%d] [%d][%d] [%d][%d] [%d][%d]\n",Num_Ver,Num_Hor,Num_Ver,Num_Hor+1,Num_Ver,Num_Hor+2,Num_Ver,Num_Hor+3);
- if(method==2) printf("the combination was [%d][%d] [%d][%d] [%d][%d] [%d][%d]\n",Num_Ver,Num_Hor,Num_Ver+1,Num_Hor,Num_Ver+2,Num_Hor,Num_Ver+3,Num_Hor);
- if(method==3) printf("the combination was [%d][%d] [%d][%d] [%d][%d] [%d][%d]\n",Num_Ver,Num_Hor,Num_Ver+1,Num_Hor+1,Num_Ver+2,Num_Hor+2,Num_Ver+3,Num_Hor+3);
- }
- int judge(int i,int j,int max,int *p)
- {
- int max1,max2,max3;
- max1=(j<=16)?calc_horizontal(i,j):0;
- max2=(i<=16)?calc_vertical(i,j):0;
- max2=(i<=16&&j<=16)?calc_diagonal(i,j):0;
- return calc_max(max1,max2,max3,max,p,i,j);
- }
- int calc_horizontal(int i,int j)
- {
- return s[i][j]*s[i][j+1]*s[i][j+2]*s[i][j+3];
- }
- int calc_vertical(int i,int j)
- {
- return s[i][j]*s[i+1][j]*s[i+2][j]*s[i+3][j];
- }
- int calc_diagonal(int i,int j)
- {
- return s[i][j]*s[i+1][j+1]*s[i+2][j+2]*s[i+3][j+3];
- }
- int calc_max(int a,int b,int c,int max,int *p,int i,int j)
- {
- int t,max_0;
- t=0,max_0=0;
- if(a>b) {max_0=a;t=1;}
- else {max_0=b;t=2;}
- if(max_0<c) {max_0=c;t=3;}
- if(max_0>max) {*p=t;Num_Ver=i;Num_Hor=j;return max_0;}
- else return max;
- }
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