제출 #985634

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
985634	2024-05-18 11:24:23	Alebn	Chase (CEOI17_chase)	C++14	50 / 100	534 ms	178708 KiB

chase

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#include <bits/stdc++.h>
#define int long long
using namespace std;
int n, k, x, y, ia, ib, va, vb, ic, id;
vector<int> a, b;
vector<vector<int>> graph, dp, dpe;
void dfs(int i, int p) {
    for(auto j : graph[i]) {
        if(j != p) dfs(j, i);
    }
    //
    y = 0;
    for(int j = 0; j <= k; j++) {
        ia = -1, ib = -1, va = 0, vb = 0, ic = -1, id = -1;
        for(auto z : graph[i]) {
            if(z != p) {
                dp[i][j] = max(dp[i][j], max(dp[z][j], (j == k ? 0 : dp[z][j + 1] + b[i] - (p == -1 ? 0 : a[p]))));
                dpe[i][j] = max(dpe[i][j], max(dpe[z][j], (j == k ? 0 : dpe[z][j + 1] + b[i] - (j + 1 == k ? 0 : a[z]))));
                //
                y = max(y, max(dp[i][j], (j == k ? 0 : dp[z][j + 1] + b[i])));
                y = max(y, dpe[i][j]);
                //
                int temp = max(dpe[z][j], (j == k ? 0 : dpe[z][j + 1] + b[i] - a[z]));
                if(ia == -1 || temp > va) {
                    ib = ia, vb = va, ia = z, va = temp;
                } else if(ib == -1 || temp > vb) {
                    ib = z, vb = temp;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

chase.cpp: In function 'int main()':
chase.cpp:60:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   60 |         for(int j = 0; j < graph[i].size(); j++) b[i] += a[graph[i][j]];
      |                        ~~^~~~~~~~~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 0 / 20
• Subtask 3: 30 / 30
• Subtask 4: 0 / 30