#include <iostream>
#include <string>
#include <stdio.h>
using namespace std;
int length(int a,int b,int c) {
	int i = 0;
	if (a < 0) { i++; }
	while (a != 0) {
		i++;
		a /= 10;
	}
	if (b < 0) { i++; }
	while (b != 0) {
		i++;
		b /= 10;
	}
	if (c < 0) { i++; }
	while (c != 0) {
		i++;
		c /= 10;
	}
	return i + 2;
}
void output(char n,int a,int b) {
	if (n == 'a') {
		cout << a << '+' << b << '=' << a + b << endl;
		cout << length(a, b, a + b) << endl;
	}
	if (n == 'b') {
		cout << a << '-' << b << '=' << a - b << endl;
		cout << length(a, b, a - b) << endl;
	}
	if (n == 'c') {
		cout << a << '*' << b << '=' << a * b << endl;
		cout << length(a, b, a * b) << endl;
	}
}
int translate(char* ch,int len) {
	int re = 0;
	for (int i = 0; i < len; i++) {
		re = re * 10 + (ch[i] - '0');
	}
	return re;
}
int main() {
	char input[60][60],type='a';
	int n,b,c,len1,len2;
	int u, u1, u2;
	cin >> n;
	getchar();							//避免读取'\n'
	for (int i = 0; i < n; i++) {
		cin.getline(input[i], 60, '\n');
	}
	for (int i = 0; i < n; i++) {
		if (input[i][0] > '9') {
			type = input[i][0];
			char ch1[10], ch2[10];
			for (u=2,len1=0; input[i][u] != ' '; u++) {
				ch1[len1] = input[i][u];
				len1++;
			}
			b = translate(ch1, len1);
			for (u += 1,len2=0; input[i][u] != '\0'; u++) {
				ch2[len2] = input[i][u];
				len2++;
			}
			c = translate(ch2, len2);
			output(type, b, c);
		}
		else {
			char ch1[10], ch2[10];
			for (u = 0, len1 = 0; input[i][u] != ' '; u++) {
				ch1[len1] = input[i][u];
				len1++;
			}
			b = translate(ch1, len1);
			for (u += 1, len2 = 0; input[i][u] != '\0'; u++) {
				ch2[len2] = input[i][u];
				len2++;
			}
			c = translate(ch2, len2);
			output(type, b, c);
		}
	}
	return 0;
}

请问各位大神，手测全对，洛谷ide过不了 输入： 4 a 64 46 275 125 c 11 99 b 46 64 输出： 64+46=110 9 275+125=400 11 11*99=1089 10 46-64=-18 9