#include #include #include typedef long long int int64; #define MAX(a,b) ((a)>(b)?(a):(b)) #define MIN(a,b) ((a)<(b)?(a):(b)) #define ABS(a) ((a)>(0)?(a):-(a)) #define POS(i,j) ((i)*(n+1)+(j)) typedef struct length{ int l; int index; } len; int cmp(const void *a,const void *b){ return -(((len *)a)->l-((len *)b)->l); } void flip(int l,char *s,int n,int *t){ int a=t[0]; int b=t[1]; if(a==t[2]){ int i; for(i=0;imax){ max=c; a[0]=i; a[1]=j; a[2]=i+l-1; a[3]=j; } while(i+lmax){ max=c; a[0]=i; a[1]=j; a[2]=i+l-1; a[3]=j; } } } for(i=0;imax){ max=c; a[0]=i; a[1]=j; a[2]=i; a[3]=j+l-1; } while(j+lmax){ max=c; a[0]=i; a[1]=j; a[2]=i; a[3]=j+l-1; } } } flip(l,s,n,a); return max; } int score(const char *s,const int n){ int res=0; int i,j; for(i=0;imax){ max=c; a[0]=i; a[1]=j; a[2]=i; a[3]=j+l1-1; b[0]=i; b[1]=j+k; b[2]=i; b[3]=j+k+l2-1; } } for(;kmax){ max=c; a[0]=i; a[1]=j; a[2]=i; a[3]=j+l1-1; b[0]=i; b[1]=j+k; b[2]=i; b[3]=j+k+l2-1; } } } } for(i=0;i+l1max){ max=c; a[0]=i; a[1]=j; a[2]=i+l1-1; a[3]=j; b[0]=i+k; b[1]=j; b[2]=i+k+l2-1; b[3]=j; } } for(;kmax){ max=c; a[0]=i; a[1]=j; a[2]=i+l1-1; a[3]=j; b[0]=i+k; b[1]=j; b[2]=i+k+l2-1; b[3]=j; } } } } flip(l1,s,n,a); flip(l2,s,n,b); return max; } void algo6(char *s,int n,len *array,int k,int *ans,int *tmp){ const int parameter=4; int i; for(i=0;i=parameter;i++); const int m=i/2*2; for(i=0;i=3 && (a<=0 || b<=0)){ flip(array[i].l,s,n,tmp+4*array[i].index); flip(array[i+1].l,s,n,tmp+4*array[i+1].index); int tmp0[4]; int tmp1[4]; int c; if(array[i].l>array[i+1].l){ c=func_algo6(array[i].l,array[i+1].l,s,n,tmp0,tmp1); } else { c=func_algo6(array[i+1].l,array[i].l,s,n,tmp1,tmp0); } if(cmaxScore){ maxScore=localScore; for(i=0;i<4*k;i++) ans[i]=tmp[i]; } else { for(i=0;i