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NOI.AC

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#213994#2739. 阿空的核聚变ThySecret60326ms1416kbC++111.7kb2024-11-14 21:53:152024-11-14 23:08:39

answer

#include <bits/stdc++.h>

using namespace std;

// #define int long long
// #define x first
// #define y second
#define File(a) freopen(a".in", "r", stdin), freopen(a".out", "w", stdout)

inline void debug() { cerr << '\n'; }
template<typename Type, typename... Other>
inline void debug(const Type& x, const Other&... y) { cerr << x << ' '; debug(y...); }
#define DEBUG(a...) cerr << "[" << #a << "] = ", debug(a);

typedef long long LL;
typedef pair<int, int> PII;

const int N = 200010;
const int INF = 0x3f3f3f3f;

template<typename Type>
inline void read(Type &res)
{
    res = 0;
    int ch = getchar(), flag = 0;
    while (!isdigit(ch)) flag |= ch == '-', ch = getchar();
    while (isdigit(ch)) res = (res << 3) + (res << 1) + (ch ^ 48), ch = getchar();
    res = flag ? -res : res;
}
template<typename Type, typename... Other>
inline void read(Type &res, Other&... y) { read(res), read(y...); }

char str[N], temp[N];
int n, q;

signed main()
{
    scanf("%s", str + 1), n = strlen(str + 1);
    memcpy(temp, str, sizeof temp);
    read(q);
    while (q --)
    {
        int l, r; read(l, r);
        memcpy(temp, str, sizeof temp);
        vector<char> vec;
        for (int i = l; i <= r; i ++)
        {
            while (!vec.empty() && vec.back() == temp[i])
            {
                vec.pop_back();
                if (temp[i] == 'z')
                {
                    temp[i] = 'A';
                    break;
                }
                else temp[i] ++;
            }
            if (temp[i] != 'A') vec.push_back(temp[i]);
        }
        cout << (vec.size() ? "No" : "Yes") << '\n';
    }
    return 0;
}

Details

小提示:点击横条可展开更详细的信息

Test #1:

score: 10
Accepted
time: 25ms
memory: 1408kb

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: 24ms
memory: 1412kb

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: 51ms
memory: 1408kb

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: 70ms
memory: 1416kb

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: 80ms
memory: 1412kb

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: 76ms
memory: 1416kb

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
Runtime Error

input:

yyzzzyyzzzyyzzzzyzzyyzyyzzyzzyzzzzyyzyyzzyzyzyyzyzyzzzzzzyzzyzzzyyyzyyzzyyyzzyzyyzzzyyzyyzzzyzyzyzyy...

output:


result:


Test #8:

score: 0
Runtime Error

input:

yzzzzyzzyyzyzzzyyyzyyzyzzzyzyzzzzzzzyyyzyyzyzzzzyzzyyyyyzyyzyzyyzzzyzzyzzyzzzzzyyzyyyyyzyyyzzyzyzzyy...

output:


result:


Test #9:

score: 0
Runtime Error

input:

yyyyxxyzxxxxxxwvuuvvwzxxwwvuuvuuxutssvutssuttxxyxxxvvttuvxxywwxxwwyywwxyyywwxzyxwwxxywwwwyyyywwxyyvv...

output:


result:


Test #10:

score: 0
Runtime Error

input:

ywwxyyxxyzzzyxxyyyyzzzzzzyyzzyxxzzyyyxxzzzywwxzzyyzwwxxwwyyzyyzzzyyzyyyxwwyxxyyzyyyxxyyzyxxyyzzywwxw...

output:


result: