·此物不要尝试于noip!!!可能会爆!!!
快速读入——减少时间咻咻咻~
inline int read() { char ch = getchar();
int a = 0, b = 1; while(ch < '0' || ch > '9') { if(ch == '-') b= -1; ch = getchar(); } while('0' <= ch && ch <= '9') { a = a * 10 + ch - '0'; ch = getchar(); } return a * b; } Afterwards—— 读入方式: eg:m=read();