执行用时：4ms 内存消耗：1.38MB 击败了99.86%的用户 击败了100.00%的用户 #include <unistd.h> static char inBuf[1 << 16]; static int inLen = 0, inPos = 0; inline int readChar() { if (inPos == inLen) { inLen = read(0, inBuf, sizeof(inBuf)); inPos = 0; if (inLen <= 0) return -1; } return inBuf[inPos++]; } static char outBuf[1 << 16]; static int outLen = 0; inline void outChar(char c) { outBuf[outLen++] = c; if (outLen == (int)sizeof(outBuf)) { write(1, outBuf, outLen); outLen = 0; } } inline void outInt(int v) { char tmp[12]; int tl = 0; if (v == 0) tmp[tl++] = '0'; else while (v) { tmp[tl++] = '0' + v % 10; v /= 10; } while (tl) outChar(tmp[--tl]); } int main() { int t = 0; int c = readChar(); while (c <= ' ') c = readChar(); while (c > ' ') { t = t * 10 + (c - '0'); c = readChar(); } }