C++ 输入输出外挂 整数

#include <cstdio>#include <iostream>using namespace std;inline void getInt(int* p) {    char ch;    do {        ch = getchar();    } while (ch == ' ' || ch == '\n');    if (ch == '-') {        *p = -(getchar() - '0');        while ((ch = getchar()) >= '0' && ch <= '9') {            *p = *p * 10 - ch + '0';        }    }    else {        *p = ch - '0';        while ((ch = getchar()) >= '0' && ch <= '9') {            *p = *p * 10 + ch - '0';        }    }}int main() {    int a, b, c;    while (1) {        getInt(&a);        getInt(&b);        getInt(&c);        printf("%d %d %d\n", a, b, c);    }    return 0;}