#include <stdio.h> int main() { int a,b,c,d,e,f,g=0 ; for ( b=0 ; b<=9 ;b++ ) for(c=0 ; c<=9 ; c++) for(d=0 ; d<=9 ; d++) for(e=0 ; e<=9 ; e++){ f=(b-c)*d+e; if (a==f) g=g+1; } for ( b=0 ; b<=9 ;b++ ) for(c=0 ; c<=9 ; c++) for(d=0 ; d<=9 ; d++) for(e=0 ; e<=9 ; e++){ f=(b-c)*d+e; if (a==f) } return 0; }
3
339通り (0-0)*0+3 (0-0)*1+3 (0-0)*2+3 (0-0)*3+3 (0-0)*4+3 (0-0)*5+3 (0-0)*6+3 (0-0)*7+3 (0-0)*8+3 (0-0)*9+3 (0-1)*0+3 (0-1)*1+4 (0-1)*2+5 (0-1)*3+6 (0-1)*4+7 (0-1)*5+8 (0-1)*6+9 (0-2)*0+3 (0-2)*1+5 (0-2)*2+7 (0-2)*3+9 (0-3)*0+3 (0-3)*1+6 (0-3)*2+9 (0-4)*0+3 (0-4)*1+7 (0-5)*0+3 (0-5)*1+8 (0-6)*0+3 (0-6)*1+9 (0-7)*0+3 (0-8)*0+3 (0-9)*0+3 (1-0)*0+3 (1-0)*1+2 (1-0)*2+1 (1-0)*3+0 (1-1)*0+3 (1-1)*1+3 (1-1)*2+3 (1-1)*3+3 (1-1)*4+3 (1-1)*5+3 (1-1)*6+3 (1-1)*7+3 (1-1)*8+3 (1-1)*9+3 (1-2)*0+3 (1-2)*1+4 (1-2)*2+5 (1-2)*3+6 (1-2)*4+7 (1-2)*5+8 (1-2)*6+9 (1-3)*0+3 (1-3)*1+5 (1-3)*2+7 (1-3)*3+9 (1-4)*0+3 (1-4)*1+6 (1-4)*2+9 (1-5)*0+3 (1-5)*1+7 (1-6)*0+3 (1-6)*1+8 (1-7)*0+3 (1-7)*1+9 (1-8)*0+3 (1-9)*0+3 (2-0)*0+3 (2-0)*1+1 (2-1)*0+3 (2-1)*1+2 (2-1)*2+1 (2-1)*3+0 (2-2)*0+3 (2-2)*1+3 (2-2)*2+3 (2-2)*3+3 (2-2)*4+3 (2-2)*5+3 (2-2)*6+3 (2-2)*7+3 (2-2)*8+3 (2-2)*9+3 (2-3)*0+3 (2-3)*1+4 (2-3)*2+5 (2-3)*3+6 (2-3)*4+7 (2-3)*5+8 (2-3)*6+9 (2-4)*0+3 (2-4)*1+5 (2-4)*2+7 (2-4)*3+9 (2-5)*0+3 (2-5)*1+6 (2-5)*2+9 (2-6)*0+3 (2-6)*1+7 (2-7)*0+3 (2-7)*1+8 (2-8)*0+3 (2-8)*1+9 (2-9)*0+3 (3-0)*0+3 (3-0)*1+0 (3-1)*0+3 (3-1)*1+1 (3-2)*0+3 (3-2)*1+2 (3-2)*2+1 (3-2)*3+0 (3-3)*0+3 (3-3)*1+3 (3-3)*2+3 (3-3)*3+3 (3-3)*4+3 (3-3)*5+3 (3-3)*6+3 (3-3)*7+3 (3-3)*8+3 (3-3)*9+3 (3-4)*0+3 (3-4)*1+4 (3-4)*2+5 (3-4)*3+6 (3-4)*4+7 (3-4)*5+8 (3-4)*6+9 (3-5)*0+3 (3-5)*1+5 (3-5)*2+7 (3-5)*3+9 (3-6)*0+3 (3-6)*1+6 (3-6)*2+9 (3-7)*0+3 (3-7)*1+7 (3-8)*0+3 (3-8)*1+8 (3-9)*0+3 (3-9)*1+9 (4-0)*0+3 (4-1)*0+3 (4-1)*1+0 (4-2)*0+3 (4-2)*1+1 (4-3)*0+3 (4-3)*1+2 (4-3)*2+1 (4-3)*3+0 (4-4)*0+3 (4-4)*1+3 (4-4)*2+3 (4-4)*3+3 (4-4)*4+3 (4-4)*5+3 (4-4)*6+3 (4-4)*7+3 (4-4)*8+3 (4-4)*9+3 (4-5)*0+3 (4-5)*1+4 (4-5)*2+5 (4-5)*3+6 (4-5)*4+7 (4-5)*5+8 (4-5)*6+9 (4-6)*0+3 (4-6)*1+5 (4-6)*2+7 (4-6)*3+9 (4-7)*0+3 (4-7)*1+6 (4-7)*2+9 (4-8)*0+3 (4-8)*1+7 (4-9)*0+3 (4-9)*1+8 (5-0)*0+3 (5-1)*0+3 (5-2)*0+3 (5-2)*1+0 (5-3)*0+3 (5-3)*1+1 (5-4)*0+3 (5-4)*1+2 (5-4)*2+1 (5-4)*3+0 (5-5)*0+3 (5-5)*1+3 (5-5)*2+3 (5-5)*3+3 (5-5)*4+3 (5-5)*5+3 (5-5)*6+3 (5-5)*7+3 (5-5)*8+3 (5-5)*9+3 (5-6)*0+3 (5-6)*1+4 (5-6)*2+5 (5-6)*3+6 (5-6)*4+7 (5-6)*5+8 (5-6)*6+9 (5-7)*0+3 (5-7)*1+5 (5-7)*2+7 (5-7)*3+9 (5-8)*0+3 (5-8)*1+6 (5-8)*2+9 (5-9)*0+3 (5-9)*1+7 (6-0)*0+3 (6-1)*0+3 (6-2)*0+3 (6-3)*0+3 (6-3)*1+0 (6-4)*0+3 (6-4)*1+1 (6-5)*0+3 (6-5)*1+2 (6-5)*2+1 (6-5)*3+0 (6-6)*0+3 (6-6)*1+3 (6-6)*2+3 (6-6)*3+3 (6-6)*4+3 (6-6)*5+3 (6-6)*6+3 (6-6)*7+3 (6-6)*8+3 (6-6)*9+3 (6-7)*0+3 (6-7)*1+4 (6-7)*2+5 (6-7)*3+6 (6-7)*4+7 (6-7)*5+8 (6-7)*6+9 (6-8)*0+3 (6-8)*1+5 (6-8)*2+7 (6-8)*3+9 (6-9)*0+3 (6-9)*1+6 (6-9)*2+9 (7-0)*0+3 (7-1)*0+3 (7-2)*0+3 (7-3)*0+3 (7-4)*0+3 (7-4)*1+0 (7-5)*0+3 (7-5)*1+1 (7-6)*0+3 (7-6)*1+2 (7-6)*2+1 (7-6)*3+0 (7-7)*0+3 (7-7)*1+3 (7-7)*2+3 (7-7)*3+3 (7-7)*4+3 (7-7)*5+3 (7-7)*6+3 (7-7)*7+3 (7-7)*8+3 (7-7)*9+3 (7-8)*0+3 (7-8)*1+4 (7-8)*2+5 (7-8)*3+6 (7-8)*4+7 (7-8)*5+8 (7-8)*6+9 (7-9)*0+3 (7-9)*1+5 (7-9)*2+7 (7-9)*3+9 (8-0)*0+3 (8-1)*0+3 (8-2)*0+3 (8-3)*0+3 (8-4)*0+3 (8-5)*0+3 (8-5)*1+0 (8-6)*0+3 (8-6)*1+1 (8-7)*0+3 (8-7)*1+2 (8-7)*2+1 (8-7)*3+0 (8-8)*0+3 (8-8)*1+3 (8-8)*2+3 (8-8)*3+3 (8-8)*4+3 (8-8)*5+3 (8-8)*6+3 (8-8)*7+3 (8-8)*8+3 (8-8)*9+3 (8-9)*0+3 (8-9)*1+4 (8-9)*2+5 (8-9)*3+6 (8-9)*4+7 (8-9)*5+8 (8-9)*6+9 (9-0)*0+3 (9-1)*0+3 (9-2)*0+3 (9-3)*0+3 (9-4)*0+3 (9-5)*0+3 (9-6)*0+3 (9-6)*1+0 (9-7)*0+3 (9-7)*1+1 (9-8)*0+3 (9-8)*1+2 (9-8)*2+1 (9-8)*3+0 (9-9)*0+3 (9-9)*1+3 (9-9)*2+3 (9-9)*3+3 (9-9)*4+3 (9-9)*5+3 (9-9)*6+3 (9-9)*7+3 (9-9)*8+3 (9-9)*9+3