/* Solution By - Amrutansu Garanaik Codechef ID - dragonemperor */ #include<stdio.h> #include<string.h> #define MAX 1000 char ip1[MAX],ip2[MAX],ip3[MAX],ip4[MAX]; int maximum(int a,int b,int c,int d) { int max=a; if(b>max) max=b; if(c>max) max=c; if(d>max) max=d; return max; } int main() { int test, len1, len2, len3, len4; scanf("%d",&test); while(test--) { scanf("%s%s%s%s",ip1,ip2,ip3,ip4); //printf("%s\t%s\t%s\t%s\n",ip1,ip2,ip3,ip4); len1=strlen(ip1); len2=strlen(ip2); len3=strlen(ip3); len4=strlen(ip4); int edit[len1+1][len2+1][len3+1][len4+1]; for(int i=0;i<=len1;i++) for(int j=0;j<=len2;j++) for(int k=0;k<=len3;k++) for(int l=0;l<=len4;l++) { if(i==0 || j==0 || k==0 || l==0) edit[i][j][k][l]=0; else { if((ip1[i-1]==ip2[j-1]) && (ip1[i-1]==ip3[k-1]) && (ip1[i-1]==ip4[l-1]) ) { edit[i][j][k][l]=edit[i-1][j-1][k-1][l-1]+1; } else edit[i][j][k][l]=maximum(edit[i-1][j][k][l],edit[i][j-1][k][l],edit[i][j][k-1][l],edit[i][j][k][l-1]); } } //printf("%d\n",edit[len1][len2][len3][len4]); printf("%d\n",len1+len2+len3+len4-4*edit[len1][len2][len3][len4]); } return 0; }
Standard input is empty
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