Submission #1335907

#	Time	Username	Problem	Language	Result	Execution time	Memory
1335907		enson	Catfish Farm (IOI22_fish)	C++20	3 / 100	49 ms	7260 KiB

fish

#include <bits/stdc++.h>
using namespace std;

long long max_weights(int N, int M, vector<int>X, vector<int>Y, vector<int>W){
    bool st1 = true;
    for(int i = 0; i < M; i++) st1 &= (X[i]%2==0);
    bool st2 = true;
    for(int i = 0; i < M; i++) st2 &= (X[i]<=1);
    bool st3 = true;
    for(int i = 0; i < M; i++) st3 &= (Y[i]==0);
    if (st1){
        long long ans = 0;
        for(int i = 0; i < M; i++){
            ans += W[i];
        }
        return ans;
    }
    if (st2){
        long long e = 0, o = 0;
        for(int i = 0; i < M; i++){
            if (X[i] == 0) e += W[i];
            else o += W[i];
        }
        return max(e, o);
    }
    if (st3){
        int A[M] = {0};
        A[0] = W[0];
        A[1] = W[1];
        for(int i = 2; i < M; i++){
            A[i] = max(A[i-2] + W[i], A[i-1]);
        }
        return max(A[M-1], A[M-2]);
    }
}

Compilation message (stderr)

fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:35:1: warning: control reaches end of non-void function [-Wreturn-type]
   35 | }
      | ^

• Subtask 1: 3 / 3
• Subtask 2: 0 / 6
• Subtask 3: 0 / 9
• Subtask 4: 0 / 14
• Subtask 5: 0 / 21
• Subtask 6: 0 / 17
• Subtask 7: 0 / 14
• Subtask 8: 0 / 16