oj.uz

Submission #64035

# Submission time Handle Problem Language Result Execution time Memory
64035 2018-08-03T08:33:42 Z evpipis Linear Garden (IOI08_linear_garden) C++11
100 / 100
 150 ms 41964 KB 
#include <bits/stdc++.h>
using namespace std;

const int len = 1e6+1;
int n, m, dp[len][3][3];
char str[len];

int add(int a, int b){
    return (a+b)%m;
}

int main(){
    scanf("%d %d %s", &n, &m, &str);

    for (int a = 0; a < 3; a++)
        for (int b = 0; b < 3; b++)
            dp[n][a][b] = 1;
    for (int i = n-1; i >= 0; i--)
        for (int a = -2; a <= 0; a++)
            for (int b = 0; b <= 2; b++){
                int ans = 0;
                if (a != -2)
                    ans = add(ans, dp[i+1][a-1+2][max(b-1, 0)]);
                if (b != +2)
                    ans = add(ans, dp[i+1][min(a+1, 0)+2][b+1]);
                dp[i][a+2][b] = ans;
            }

    int mn = 0, mx = 0, ans = 1;
    for (int i = 0; i < n; i++){
        if (str[i] == 'P' && mn != -2)
            ans = add(ans, dp[i+1][mn-1+2][max(mx-1, 0)]);

        if (str[i] == 'L')
            mn = mn-1, mx = max(mx-1, 0);
        else
            mn = min(mn+1, 0), mx = mx+1;
    }

    printf("%d\n", ans);
    return 0;
}

Compilation message

linear_garden.cpp: In function 'int main()':
linear_garden.cpp:13:35: warning: format '%s' expects argument of type 'char*', but argument 4 has type 'char (*)[1000001]' [-Wformat=]
     scanf("%d %d %s", &n, &m, &str);
                               ~~~~^
linear_garden.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d %s", &n, &m, &str);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct

Subtask #2
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 488 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 488 KB Output is correct

Subtask #4
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 496 KB Output is correct

Subtask #5
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 512 KB Output is correct

Subtask #6
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 624 KB Output is correct

Subtask #7
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 628 KB Output is correct

Subtask #8
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 632 KB Output is correct

Subtask #9
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 636 KB Output is correct

Subtask #10
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 640 KB Output is correct

Subtask #11
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 752 KB Output is correct

Subtask #12
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 756 KB Output is correct
2 Correct 3 ms 756 KB Output is correct

Subtask #13
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 764 KB Output is correct
2 Correct 2 ms 768 KB Output is correct

Subtask #14
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 772 KB Output is correct
2 Correct 3 ms 904 KB Output is correct
3 Correct 3 ms 912 KB Output is correct

Subtask #15
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 1556 KB Output is correct

Subtask #16
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 1592 KB Output is correct

Subtask #17
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 3040 KB Output is correct

Subtask #18
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 3628 KB Output is correct

Subtask #19
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 12548 KB Output is correct

Subtask #20
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 62 ms 16164 KB Output is correct

Subtask #21
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 20720 KB Output is correct

Subtask #22
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 100 ms 25404 KB Output is correct

Subtask #23
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 149 ms 39916 KB Output is correct
2 Correct 150 ms 40860 KB Output is correct
3 Correct 145 ms 41964 KB Output is correct