Submission #1443585

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Source Code Expand

#include <cstdio>
#include <algorithm>
#include <climits>
#include <cmath>
#include <vector>
#include <string>

#define REP(i, n) for (int i=0;i<(n);i++)
#define FOR(i, a, b) for (int i=(a);i<(b);i++)

using namespace std;

int memo[1000000] = {};

int tri(int n){
    if(memo[n]) return memo[n];
    if(n==1) return 0;
    else if(n==2) return 0;
    else if(n==3) return 1;
    else {
        memo[n] = (tri(n-3)%10007 + tri(n-2)%10007 + tri(n-1)%10007)%10007;
        return memo[n];
    }
}

int main() {
    int n;
    scanf("%d", &n);
    printf("%d\n", tri(n));
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:28:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
                    ^

Judge Result