HDU 1166 敵兵布陣

2021-06-09 19:27:44 字數 1409 閱讀 1118

複習線段樹，把notonlysuccess上面的推薦題目都刷一遍。

需求：單點更新，區間求和。

#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std;


#pragma pack(4)


const double  eps = 1e-8;


const double   pi = acos(-1.0);


const int     inf = 0x7f7f7f7f;


const __int64 inf = 0x7f7f7f7f7f7f7f7fll;


#define loop(a,n)                            \


for(int i=0;n>i;i++)                     \


coutfor(int j=0;m>j;j++)                 \


cout#define less(a,b) (((b)-(a))>eps)


#define greq(a,b) (((a)-(b))>-eps)


#define leeq(a,b) (((b)-(a))>-eps)


#define equl(a,b) (fabs((a)-(b))(b)?(a):(b))


#define lmin(a,b) ((a)<(b)?(a):(b))


#define fmax(a,b) (gret(a,b)?(a):(b))


#define fmin(a,b) (less(a,b)?(a):(b))


const int maxv = 50002;


char o[10];


int tcase,times=1,u,w,n;


int sum[maxv<<2],lazy[maxv<<2];


#define lc(i) ((i)<<1)


#define rc(i) ((i)<<1|1)


void up(int i)


void down(int i)


void change(int x,int y,int w,int l=1,int r=n,int i=1)


else


getchar();


printf("case %d:\n",times++);


while(scanf("%s",o),strcmp(o,"end"))


}return 0;


}

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