#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; } int score(const char *s,const int n){ int res=0; int i,j; for(i=0;i=parameter;i++){ int l=array[i].l; int index=array[i].index; func(l,s,n,ans+4*index); } int maxScore=score(s,n); const int m=i; int iter=10; while(iter--){ for(i=0;i<4*k;i++) tmp[i]=ans[i]; for(i=0;imaxScore){ maxScore=localScore; for(i=0;i<4*k;i++) ans[i]=tmp[i]; } else { for(i=0;i=parameter;i++){ int l=array[i].l; int index=array[i].index; func(l,s,n,ans+4*index); } int maxScore=score(s,n); const int m=i; int iter=20; while(iter--){ for(i=0;i<4*k;i++) tmp[i]=ans[i]; for(i=0;imaxScore){ maxScore=localScore; for(i=0;i<4*k;i++) ans[i]=tmp[i]; } else { for(i=0;i