NOI.AC

ID	题目	提交者	结果	用时	内存	语言	文件大小	提交时间	测评时间
#213990	#2739. 阿空的核聚变	Running_a_way	60	181ms	1248kb	C++11	649b	2024-11-14 21:40:23	2024-11-14 23:08:23

answer

#include <iostream>
#include <cstdio>
#include <map>
using namespace std;

const int N = 5e5 + 10;
string s;
int n, m;
map<int, string> mp;

int main() {
    ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
    cin >> s;
    n = s.size(); s = ' ' + s;
    string p;
    cin >> m;
    while(m--) {
        int l, r; cin >> l >> r;
        p = "";
        for (int i = l; i <= r; i++) {
            char ch = s[i];
            while(p.size() && p.back() == ch) p.pop_back(), ch++;
            if(ch <= 'z') p.push_back(ch);
        }
        if(p.size()) cout << "No\n";
        else cout << "Yes\n";
    }
    return 0;
}

源文件, 语言: C++11

详细

小提示：点击横条可展开更详细的信息

Test #1:

score: 10

Accepted

time: 0ms

memory: 1244kb

input:

wwwwyyyvttttutsrqquuusstttuvutrrsvvwxvvwvvvvwuuvwvvwwuuurrssswywvvwvurrstxwvvxxxxxxyzvvvssrrsttvuuwy...

output:

No
No
No
No
No
No
No
No
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
...

result:

ok 3000 lines

Test #2:

score: 10

Accepted

time: 3ms

memory: 1240kb

input:

wvvvvwwttuvwwyyxxwvvwwzywvttuusstuuwyyywwxyywvuttuuuttwxwwyyyxxzzxxxwvuuyyyyzvvvvwvvvvwwwztssuuuwwwy...

output:

No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Y...

result:

ok 3000 lines

Test #3:

score: 10

Accepted

time: 3ms

memory: 1240kb

input:

zywwxyyzyyvuttwvvwxutssvuuvyyzzyxxyxxzzyyxxyxxxxzyxxwuuvwwxwwyxxyvvttuvxyyyxxyyyyyxxyyxwwxxyyyvuuwww...

output:

No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
...

result:

ok 3000 lines

Test #4:

score: 10

Accepted

time: 44ms

memory: 1248kb

input:

zzzyywwxyzxxyzyyzzyyyyzyyzyxxzzzzyyyyyxxyyzzyxxzzyyzzzyyzyyzzzzyyyyzzzxwwwwxzzzzyyzxxyyyzzyyyyyyzzzy...

output:

No
No
No
Yes
No
Yes
No
No
Yes
No
Yes
No
No
No
No
No
No
Yes
No
No
No
No
No
No
No
No
No
No
Yes
No
No
N...

result:

ok 3000 lines

Test #5:

score: 10

Accepted

time: 62ms

memory: 1248kb

input:

yxxyxxzzyyxxyyxxxxxxxwvuuxvvwyyxxxxyyyyxxwwxzyxxyxxyyyxwvuttywvvxxxywwxywwxxwuuuuzxxyxwwxvvwwuuvxyww...

output:

No
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No...

result:

ok 3000 lines

Test #6:

score: 10

Accepted

time: 69ms

memory: 1244kb

input:

xxyywvvxyuuuuvvwwxxxttuvvvzvvwwwyyywwsstuuttvvwvttuwvurrrrsqqrxxvvttttvxuuvwvusstvvxwwyxxzzxwwxutsss...

output:

No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
N...

result:

ok 3000 lines

Test #7:

score: 0

Time Limit Exceeded

input:

yyzzzyyzzzyyzzzzyzzyyzyyzzyzzyzzzzyyzyyzzyzyzyyzyzyzzzzzzyzzyzzzyyyzyyzzyyyzzyzyyzzzyyzyyzzzyzyzyzyy...

output:

No
Yes
No
No
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No...

result:

Test #8:

score: 0

Time Limit Exceeded

input:

yzzzzyzzyyzyzzzyyyzyyzyzzzyzyzzzzzzzyyyzyyzyzzzzyzzyyyyyzyyzyzyyzzzyzzyzzyzzzzzyyzyyyyyzyyyzzyzyzzyy...

output:

No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
No
Yes
Yes
No
No
N...

result:

Test #9:

score: 0

Time Limit Exceeded

input:

yyyyxxyzxxxxxxwvuuvvwzxxwwvuuvuuxutssvutssuttxxyxxxvvttuvxxywwxxwwyywwxyyywwxzyxwwxxywwwwyyyywwxyyvv...

output:

No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
N...

result:

Test #10:

score: 0

Time Limit Exceeded

input:

ywwxyyxxyzzzyxxyyyyzzzzzzyyzzyxxzzyyyxxzzzywwxzzyyzwwxxwwyyzyyzzzyyzyyyxwwyxxyyzyyyxxyyzyxxyyzzywwxw...

output:

No
No
No
No
No
No
No
No
Yes
No
No
No
No
No
Yes
No
No
Yes
No
No
No
Yes
No
No
No
No
Yes
No
No
No
No
No...