94 lines
2.6 KiB
C++
94 lines
2.6 KiB
C++
#include<iostream>
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#include<cstdlib>
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#include<cstring>
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#include<cstdio>
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#include<cmath>
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using namespace std;
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int tot, sct, lena, lenb, lenc;
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char s1[10], s2[10], s3[10], save[10], save0[10], dig[10];
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char ss1[10], ss2[10], ss3[10], soso[10];
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void solve(int cct)
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{
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if(cct >= sct)
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{
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int aa, bb, cc;
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for(int i = 0; i < sct; i++)
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{
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for(int j = 0; j < lena; j++)
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if(ss1[j] == save[i])
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s1[j] = dig[i];
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for(int j = 0; j < lenb; j++)
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if(ss2[j] == save[i])
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s2[j] = dig[i];
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for(int j = 0; j < lenc; j++)
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if(ss3[j] == save[i])
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s3[j] = dig[i];
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sscanf(s1, "%d", &aa);
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sscanf(s2, "%d", &bb);
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sscanf(s3, "%d", &cc);
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}
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if(aa * bb == cc)
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++tot;
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if(aa - bb == cc)
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++tot;
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if(aa + bb == cc)
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++tot;
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if(bb != 0 && aa / bb == cc && aa % bb == 0)
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++tot;
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return ;
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}
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int flag;
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if(strlen(save0) && strchr(save0, save[cct]) != NULL)
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flag = 1;
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else
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flag = 0;
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for(int j = flag; j < 10; j++)
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if(strchr(soso, ('0' + j)) == NULL)
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{
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soso[cct] = '0' + j;
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dig[cct] = '0' + j;
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solve(cct + 1);
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soso[cct] = '\0';
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}
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return ;
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}
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int main()
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{
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int t;
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scanf("%d", &t);
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while(t--)
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{
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int zct = 0;
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tot = sct = 0;
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memset(s1, 0, sizeof(s1));
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memset(s2, 0, sizeof(s2));
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memset(s3, 0, sizeof(s3));
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memset(save, 0, sizeof(save));
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memset(save0, 0, sizeof(save0));
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memset(soso, 0, sizeof(soso));
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scanf("%s%s%s", ss1, ss2, ss3);
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strcpy(s1, ss1);
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strcpy(s2, ss2);
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strcpy(s3, ss3);
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lena = strlen(s1), lenb = strlen(s2), lenc = strlen(s3);
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if(strchr(save0, s1[0]) == NULL && lena > 1)
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save0[zct++] = s1[0];
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if(strchr(save0, s2[0]) == NULL && lenb > 1)
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save0[zct++] = s2[0];
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if(strchr(save0, s3[0]) == NULL && lenc > 1)
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save0[zct++] = s3[0];
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for(int i = 0; i < lena; i++)
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if(strchr(save, s1[i]) == NULL)
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save[sct++] = s1[i];
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for(int i = 0; i < lenb; i++)
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if(strchr(save, s2[i]) == NULL)
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save[sct++] = s2[i];
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for(int i = 0; i < lenc; i++)
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if(strchr(save, s3[i]) == NULL)
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save[sct++] = s3[i];
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solve(0);
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printf("%d\n", tot);
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}
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return 0;
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}
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