首页 > 代码库 > CodeForces 723B Text Document Analysis (水题模拟)

CodeForces 723B Text Document Analysis (水题模拟)

题意:给定一行字符串,让你统计在括号外最长的单词和在括号内的单词数。

析:直接模拟,注意一下在左右括号的时候有没有单词。碰到下划线或者括号表示单词结束了。

代码如下:

#pragma comment(linker, "/STACK:1024000000,1024000000")#include <cstdio>#include <string>#include <cstdlib>#include <cmath>#include <iostream>#include <cstring>#include <set>#include <queue>#include <algorithm>#include <vector>#include <map>#include <cctype>#include <cmath>#include <stack>//#include <tr1/unordered_map>#define freopenr freopen("in.txt", "r", stdin)#define freopenw freopen("out.txt", "w", stdout)using namespace std;//using namespace std :: tr1;typedef long long LL;typedef pair<int, int> P;const int INF = 0x3f3f3f3f;const double inf = 0x3f3f3f3f3f3f;const LL LNF = 0x3f3f3f3f3f3f;const double PI = acos(-1.0);const double eps = 1e-8;const int maxn = 1e2 + 5;const LL mod = 10000000000007;const int N = 1e6 + 5;const int dr[] = {-1, 0, 1, 0, 1, 1, -1, -1};const int dc[] = {0, 1, 0, -1, 1, -1, 1, -1};const char *Hex[] = {"0000", "0001", "0010", "0011", "0100", "0101", "0110", "0111", "1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111"};inline LL gcd(LL a, LL b){  return b == 0 ? a : gcd(b, a%b); }int n, m;const int mon[] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};const int monn[] = {0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};inline int Min(int a, int b){ return a < b ? a : b; }inline int Max(int a, int b){ return a > b ? a : b; }inline LL Min(LL a, LL b){ return a < b ? a : b; }inline LL Max(LL a, LL b){ return a > b ? a : b; }inline bool is_in(int r, int c){    return r >= 0 && r < n && c >= 0 && c < m;}int main(){    while(scanf("%d", &n) == 1){        string s;        cin >> s;        int ans1 = 0, ans2 = 0;        int cnt = 0;        bool ok = false;        for(int i = 0; i < n; ++i){            if(s[i] == ‘(‘){                ans1 = Max(ans1, cnt);                cnt = 0;  ok = true;            }            else if(s[i] == ‘)‘){                if(cnt)  ++ans2;                cnt = 0;  ok = false;            }            else if(isalpha(s[i]))  ++cnt;            else if(cnt && s[i] == ‘_‘){                if(ok)  ++ans2;                else ans1 = Max(ans1, cnt);                cnt = 0;            }        }        ans1 = Max(ans1, cnt);        printf("%d %d\n", ans1, ans2);    }    return 0;}

 

CodeForces 723B Text Document Analysis (水题模拟)