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Submission #793577

# Submission time Handle Problem Language Result Execution time Memory
793577 2023-07-26T04:11:42 Z 반딧불(#10057) Flip it and Stick it (CCO23_day2problem1) C++17
4 / 25
 5 ms 2332 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

int n;
int arr[200002];
int k;
int b[4];

void input();
void solvek1();
void solvek2();

int main(){
    input();
    if(k==1) solvek1();
    if(k==2) solvek2();
}

void input(){
    string str;
    cin >> str;
    n = (int)str.size();
    for(int i=1; i<=n; i++) arr[i] = (str[i-1] - '0');

    cin >> str;
    k = (int)str.size();
    for(int i=1; i<=k; i++) b[i] = (str[i-1] - '0');
}

void solvek1(){
    if(count(arr+1, arr+n+1, b[1])) printf("-1");
    else printf("0");
    exit(0);
}

void solvek2(){
    ll ans = 0;
    if(b[1] != b[2]){
        int l = b[2], r = b[1];
        vector<int> v;
        for(int i=1; i<=n; i++){
            if(v.empty() || v.back() != arr[i]) v.push_back(arr[i]);
        }
        if(!v.empty() && v.back() == r) v.pop_back();
        if(!v.empty() && v[0] == l) v.erase(v.begin());
        ans = (int)v.size()/2;
    }
    else{

    }
    printf("%lld", ans);
}

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 3 ms 1380 KB Output is correct
4 Correct 5 ms 1380 KB Output is correct
5 Correct 4 ms 1320 KB Output is correct
6 Correct 4 ms 1380 KB Output is correct
7 Correct 4 ms 1380 KB Output is correct

Subtask #2
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 4 ms 1380 KB Output is correct
7 Correct 4 ms 1408 KB Output is correct
8 Correct 4 ms 2332 KB Output is correct
9 Correct 5 ms 1832 KB Output is correct
10 Correct 5 ms 1836 KB Output is correct

Subtask #3
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 4 ms 1380 KB Output is correct
7 Correct 4 ms 1408 KB Output is correct
8 Correct 4 ms 2332 KB Output is correct
9 Correct 5 ms 1832 KB Output is correct
10 Correct 5 ms 1836 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 312 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Incorrect 0 ms 312 KB Output isn't correct
19 Halted 0 ms 0 KB -

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -