Submission #364960

#	Time	Username	Problem	Language	Result	Execution time	Memory
364960		Matteo_Verz	Mean (info1cup19_mean)	C++11	100 / 100	3 ms	492 KiB

mean

/*
                `-/oo+/-   ``
              .oyhhhhhhyo.`od
             +hhhhyyoooos. h/
            +hhyso++oosy- /s
           .yoooossyyo:``-y`
            ..----.` ``.-/+:.`
                   `````..-::/.
                  `..```.-::///`
                 `-.....--::::/:
                `.......--::////:
               `...`....---:::://:
             `......``..--:::::///:`
            `---.......--:::::////+/`
            ----------::::::/::///++:
            ----:---:::::///////////:`
            .----::::::////////////:-`
            `----::::::::::/::::::::-
             `.-----:::::::::::::::-
               ...----:::::::::/:-`
                 `.---::/+osss+:`
                   ``.:://///-.
*/
#include <iostream>
#include <cstdio>
#include <algorithm>
#include <cstring>
#include <vector>
#include <stack>
#include <queue>
#include <deque>
#include <set>
#include <map>
#include <cmath>

using namespace std;

const int INF = 2e9;
const int N = 200;

int dp[5 + N][5 + N];
int v[5 + N];

int main() {
#ifdef CP
    freopen("mean.in", "r", stdin);
    freopen("mean.out", "w", stdout);
#endif // CP
    int n, Max(0);
    scanf("%d", &n);
    for(int i = 1; i <= n; i++) {
        scanf("%d", &v[i]);
        dp[i][i] = v[i];
    }

    for(int i = 1; i < n; i++) {
        for(int j = 1; j < n - i + 1; j++) {
            Max = 0;
            for(int k = j; k < i + j; k++) {
                Max = max(Max, (dp[j][k] + dp[k + 1][i + j]) / 2);
            }
            dp[j][i + j] = Max;
        }
    }

    printf("%d\n", dp[1][n]);
    return 0;
}

Compilation message (stderr)

mean.cpp: In function 'int main()':
mean.cpp:50:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   50 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
mean.cpp:52:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   52 |         scanf("%d", &v[i]);
      |         ~~~~~^~~~~~~~~~~~~

• Subtask 1: 30 / 30
• Subtask 2: 70 / 70