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输入外挂 int () { int res = 0, ch, flag = 0; if((ch = getchar()) == '-') flag = 1; else if(ch >= '0' && ch <= '9') res = ch - '0'; while((ch = getchar()) >= '0' && ch <= '9' ) res = res * 10 + ch - '0'; return flag ? -res : res; }
输出外挂
int buf[100]; void writeint(int i) { int p = 0; if(i == 0) p++; else while(i){ buf[p++] = i % 10; i /= 10; } for(int j = p-1; j >=0; j--) putchar('0' + buf[j]); }
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