传送门:http://www.lydsy.com/JudgeOnline/problem.php?id=4839

【题解】

pkusc怎么出bzoj原题啊

字符串随便处理一下就行了,大模拟

pkusc:2A(freopen调试没删)

线下:2A(数组不够大)

# include <stdio.h>
# include <string.h>
# include <iostream>
# include <algorithm>
// # include <bits/stdc++.h> using namespace std; typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
const int M = 5e5 + ;
const int mod = 1e9+; # define RG register
# define ST static char str[]; char s[][];
int sn = ;
char t[];
char ans[];
int tn = , n = ; inline bool isok(int i) {
if(!isupper(s[i][])) return ;
int len = strlen(s[i]);
if(len == ) return ;
for (int j=; j<len; ++j)
if(!islower(s[i][j])) return ;
return ;
} inline bool isBlank(int i) {
int len = strlen(s[i]);
if(len != ) return ;
return s[i][] == ' ';
} int main() {
// freopen("bzoj4839.in", "r", stdin);
while(cin.getline(str, )) {
int len = strlen(str);
sn = ;
for (int i=; i<len; ++i) {
if(isupper(str[i]) || islower(str[i])) {
tn = ;
int j = i;
while(isupper(str[j]) || islower(str[j])) {
t[tn++] = str[j];
++j;
}
++sn;
for (int j=; j<tn; ++j)
s[sn][j] = t[j];
s[sn][tn] = ;
i = j-;
} else {
++sn; s[sn][] = str[i];
s[sn][] = ;
}
}
// for (int i=1; i<=sn; ++i) printf("%s==\n", s[i]);
n = ;
for (int i=; i<=sn; ++i) {
if(!isok(i)) {
for (int j=; s[i][j]; ++j)
ans[n++] = s[i][j];
} else {
int j = i;
while(j+ <= sn && isBlank(j+) && isok(j+)) j += ;
if(j == i) {
for (int k=; s[i][k]; ++k)
ans[n++] = s[i][k];
} else {
for (int k=i; k<=j; k+=)
ans[n++] = s[k][];
ans[n++] = ' ';
ans[n++] = '(';
for (int k=i; k<=j; k++)
for (int l=; s[k][l]; ++l)
ans[n++] = s[k][l];
ans[n++] = ')';
i = j;
}
}
}
ans[n] = ;
printf("%s\n", ans);
}
return ;
}

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