我一定要把這個日了***的題記下來

http://acm.hust.edu.cn/vjudge/problem/35591

uva 230

題目不難，兩天錯了16發，而且想不出問題在哪，最後發現是分詞的時候分錯了，千不該萬不該用那個by分詞，你就那麼肯定作者的名字裏有by嗎？

<span style="font-size:18px;">#include<bits/stdc++.h>
using namespace std;
//#define ONLINE_JUDGE
#define eps 1e-8
#define inf 0x3f3f3f3f
#define INF 0x7fffffff
#define INFL 0x3f3f3f3f3f3f3f3fLL
#define enter putchar(10)
#define rep(i,a,b) for(int i = (a); i < (b); ++i)
#define repe(i,a,b) for(int i = (a); i <= (b); ++i)
#define mem(a,b) (memset((a),b,sizeof(a)))
#define sf(a) scanf("%d",&a)
#define sfI(a) scanf("%I64d",&a)
#define sfd(a,b) scanf("%d%d",&a,&b)
#define sft(a,b,c) scanf("%d%d%d",&a,&b,&c)
#define sfs(a) scanf("%s",a)
#define pf(a) printf("%d\n",a)
#define pfd(a,b) printf("%d %d\n",a,b)
#define pfP(a) printf("%d %d\n",a.fi,a.se)
#define pfs(a) printf("%s\n",a)
#define pfI(a) printf("%I64d\n",a)
#define ds(a) int a; sf(a)
#define PR(a,b) pair<a,b>
#define fi first
#define se second
#define LL long long
#define DB double
const double PI = acos(-1.0);
const double E = exp(1.0);
template<class T> T gcd(T a, T b) {return b ? gcd(b, a % b) : a;}
template<class T> T lcm(T a, T b) {return a / gcd(a, b) * b;}
template<class T> inline T Min(T a, T b) {return a < b ? a : b;}
template<class T> inline T Max(T a, T b) {return a > b ? a : b;}
int n, m;

struct book {
	string name;
	string auth;
	int in_lib;
	friend bool operator < (const book & a, const book & b) {
		if(a.auth == b.auth) return a.name < b.name;
		return a.auth < b.auth;
	}
};

book lib[100010];
map<string, int> IDcache;


void ret() {
	int prev = -1;
	rep(i, 0, n) {
		if(lib[i].in_lib == -1) {
			if(prev == -1) {
				cout << "Put " << lib[i].name << " first\n";
			}
			else {
				cout << "Put " << lib[i].name << " after " << lib[prev].name << endl;
			}
			lib[i].in_lib = 1;
		}
		if(lib[i].in_lib == 1) {
			prev = i;
		}
	}
}

void check() {
	rep(i, 0, n) {
		cout << lib[i].name << " " << lib[i].auth << " " << lib[i].in_lib << endl;
	}
	enter; enter;
}


int main() {
#ifndef ONLINE_JUDGE
	freopen("in.txt", "r", stdin);
//	freopen("Out.txt", "w", stdout);
#endif
	IDcache.clear();
	n = 0;
	string line, bname, bauth, od;
	book nb;
	while(getline(cin, line)) {
		if(line == "END") break;
		nb.name = line.substr(0, line.find_last_of("\"")+1);
		nb.auth = line.substr(line.find_last_of("\"")+1);
		nb.in_lib = 1;
		lib[n++] = nb;
	}
	sort(lib, lib + n);
	rep(i, 0, n) {
		IDcache[lib[i].name] = i;
	}
	while(cin >> od) {
		if(od == "BORROW") {
			getline(cin, line);
			line = line.substr(1);
			lib[IDcache[line]].in_lib = 0;
		}
		else if(od == "RETURN") {
			getline(cin, line);
			line = line.substr(1);
			lib[IDcache[line]].in_lib = -1;
		}
		else if(od == "SHELVE") {
			ret();
			cout << "END\n";
		}
		else break;
//		check();
	}
	return 0;
}
</span>