Submission #250681

#	Time	Username	Problem	Language	Result	Execution time	Memory
250681		kingfran1907	Baloni (COCI15_baloni)	C++14	100 / 100	1076 ms	92428 KiB

baloni

#include <bits/stdc++.h>

using namespace std;
const int maxn = 1e6+10;

int n;
set< int > s[maxn];

int main() {
    scanf("%d", &n);
    for (int i = 0; i < n; i++) {
        int x;
        scanf("%d", &x);
        s[x].insert(i);
    }

    int sol = 0;
    for (int i = maxn - 10; i >= 0; i--) {
        while (!s[i].empty()) {
            int las = -1;
            int x = i;
            while (true) {
                auto iter = s[x].lower_bound(las);
                if (iter == s[x].end()) break;

                las = *iter + 1;
                s[x].erase(iter);
                x--;
            }
            sol++;
        }
    }
    printf("%d\n", sol);
    return 0;
}

Compilation message (stderr)

baloni.cpp: In function 'int main()':
baloni.cpp:10:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ~~~~~^~~~~~~~~~
baloni.cpp:13:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &x);
         ~~~~~^~~~~~~~~~

• Subtask 1: 100 / 100