题解 | A + B

#include<bits/stdc++.h>
using namespace std;

const int N = 10;
int n[N];
bool b = false;
int sti(string s) {
	if (s == "one")
		return 1;
	else if (s == "two")
		return 2;
	else if (s == "three")
		return 3;
	else if (s == "four")
		return 4;
	else if (s == "five")
		return 5;
	else if (s == "six")
		return 6;
	else if (s == "seven")
		return 7;
	else if (s == "eight")
		return 8;
	else if (s == "nine")
		return 9;
	else if (s == "zero")
		b = true;
		return 0;
	return 0;
}
int main() {
	string s;
	int index = 1;
	while (cin >> s) {
		if (s == "=")
			break;
		n[index] = sti(s);
		index++;
	}
	if (n[4] == 0&&b==false) {
		printf("%d", n[1] + n[3]);
	}
	else if (n[5] == 0&&b==false) {
		if (n[2] == '+') {
			printf("%d", n[1] + n[3] * 10 + n[4]);
		}
		else {
			printf("%d", n[1] * 10 + n[2] + n[4]);
		}
	}
	else {
		printf("%d", n[1] * 10 + n[2] + n[4] * 10 + n[5]);
	}

}