Submission #185625

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
185625	2020-01-12 02:21:15	anonymous	Ljetopica (COI19_ljetopica)	C++14	100 / 100	121 ms	63372 KiB

ljetopica

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#include<iostream>
#define MAXN 1005
#define MOD 1000000007
#define LL long long
using namespace std;
int N, K;
char seq[MAXN], A[MAXN], B[MAXN];
LL pow2[MAXN];
LL dp[MAXN][MAXN][2][2], dp2[MAXN][MAXN][2][2]; //num, contribution
//n,k, invert, t
LL f(int n, int k, int i,  int t) {
    if (k < 0) {return(0);}
    return(dp[n][k][i][t]);
}
LL f2(int n, int k, int i, int t) {
    if (k < 0) {return(0);}
    return(dp2[n][k][i][t]);
}
int cost(int i, char At, char Do) {
    if (i) {return(At == Do);}
    return(At != Do);
}
LL slv(char* V) {
    dp[0][0][0][0]=dp[0][0][0][1]=dp[0][0][1][0]=dp[0][0][1][1]=1;
    for (int n=1; n<N; n++) {
        for (int k=0; k<=K; k++) {
          for (int i=0; i<=1; i++) {
 
 
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Compilation message (stderr)

ljetopica.cpp: In function 'int main()':
ljetopica.cpp:64:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &N, &K);
     ~~~~~^~~~~~~~~~~~~~~~~
ljetopica.cpp:66:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("\n%c", &seq[N-i]);
         ~~~~~^~~~~~~~~~~~~~~~~~~
ljetopica.cpp:69:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("\n%c", &A[N-i]);
         ~~~~~^~~~~~~~~~~~~~~~~
ljetopica.cpp:72:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("\n%c", &B[N-i]);
         ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 14 / 14
• Subtask 3: 17 / 17
• Subtask 4: 61 / 61