摘要:
#include #include #define inf 0x7fffffff #define N 100010 using namespace std; inline int read() { int x = 0,f = 1;char ch = getchar(); while (ch '9') {if (ch == '-')f = -1;ch = getchar();... 阅读全文
posted @ 2017-07-29 15:36
ioioioioioio
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