#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 || (c==max && s[POS(i,j)]=='1' && s[POS(i+l-1,j)]=='1' && s[POS(i+l,j)]=='0')){ max=c; assign(a,i,j,l,0); } while(i+lmax || (c==max && s[POS(i,j)]=='1' && s[POS(i+l-1,j)]=='1' && s[POS(i-1,j)]=='0' && (i+l>=n || s[POS(i+l,j)]=='0'))){ max=c; assign(a,i,j,l,0); } } } for(i=0;imax || (c==max && s[POS(i,j)]=='1' && s[POS(i,j+l-1)]=='1' && s[POS(i,j+l)]=='0')){ max=c; assign(a,i,j,l,1); } while(j+lmax || (c==max && s[POS(i,j)]=='1' && s[POS(i,j+l-1)]=='1' && s[POS(i,j-1)]=='0' && (j+l>=n || s[POS(i,j+l)]=='0'))){ max=c; assign(a,i,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; assign(a,i,j,l1,1); assign(b,i,j+k,l2,1); } } for(;kmax){ max=c; assign(a,i,j,l1,1); assign(b,i,j+k,l2,1); } } } } for(i=0;i+l1-1max){ max=c; assign(a,i,j,l1,0); assign(b,i+k,j,l2,0); } } for(;kmax){ max=c; assign(a,i,j,l1,0); assign(b,i+k,j,l2,0); } } } } flip(l1,s,n,a); flip(l2,s,n,b); return max; } void algo10(char *s,int n,len *array,int k,int *ans){ qsort(array,k,sizeof(len),cmp); const int parameter=4; int i; for(i=0;i=parameter;i++); const int m=i; len *now=(len *)malloc(sizeof(len)*m); len *used=(len *)malloc(sizeof(len)*m); len *cover=(len *)malloc(sizeof(len)*m); len *maxCover=(len *)malloc(sizeof(len)*m); len *maxUsed=(len *)malloc(sizeof(len)*m); for(i=0;imaxScore){ for(i=0;i