zoj 2131 Bejewlled

#include <iostream>using namespace std;char mat[8][9];char temp[8][8];int sign[8][8];int num;int total;int changeh(int s,int e){if(mat[s][e]==mat[s][e+1]) return 0;int i,j,t;total=0;for(i=0;i<8;i++){for(j=0;j<8;j++){temp[i][j]=mat[i][j];sign[i][j]=0;}}temp[s][e+1]=mat[s][e];temp[s][e]=mat[s][e+1];for(i=0;i<=7;i++){for(j=0;j<=5;j++){if(temp[i][j]==temp[i][j+1]&&temp[i][j+1]==temp[i][j+2]){for(t=j;t<=7;t++){if(temp[i][t]==temp[i][j]){if(sign[i][t]==0){total++;sign[i][t]=1;}}else{j=t-1;break;}}}}}for(j=0;j<=7;j++){for(i=0;i<=5;i++){if(temp[i][j]==temp[i+1][j]&&temp[i+1][j]==temp[i+2][j]){for(t=i;t<=7;t++){if(temp[t][j]==temp[i][j]){if(sign[t][j]==0){total++;sign[t][j]=1;}}else{i=t-1;break;}}}}}if(total>num) num=total;return 0;}int changev(int s,int e){if(mat[s][e]==mat[s+1][e]) return 0;int i,j,t;total=0;for(i=0;i<8;i++){for(j=0;j<8;j++){temp[i][j]=mat[i][j];sign[i][j]=0;}}temp[s+1][e]=mat[s][e];temp[s][e]=mat[s+1][e];for(i=0;i<=7;i++){for(j=0;j<=5;j++){if(temp[i][j]==temp[i][j+1]&&temp[i][j+1]==temp[i][j+2]){for(t=j;t<=7;t++){if(temp[i][t]==temp[i][j]){if(sign[i][t]==0){total++;sign[i][t]=1;}}else{j=t-1;break;}}}}}for(j=0;j<=7;j++){for(i=0;i<=5;i++){if(temp[i][j]==temp[i+1][j]&&temp[i+1][j]==temp[i+2][j]){for(t=i;t<=7;t++){if(temp[t][j]==temp[i][j]){if(sign[t][j]==0){total++;sign[t][j]=1;}}else{i=t-1;break;}}}}}if(total>num) num=total;return 0;}int main(){int i,j;while(1){for(i=0;i<8;i++) cin>>mat[i];if(cin.fail()) break;num=0;for(i=0;i<=7;i++){for(j=0;j<=6;j++){changeh(i,j);}}for(j=0;j<=7;j++){for(i=0;i<=6;i++){changev(i,j);}}cout<<num<<endl;}return 0;}