Submission #1153967

#TimeUsernameProblemLanguageResultExecution timeMemory
1153967salmonPo (COCI21_po)C++20
70 / 70
8 ms1096 KiB
#include <bits/stdc++.h>
using namespace std;

int N;
int lst[100100];
vector<int> b;

int main(){
    scanf(" %d",&N);

    for(int i = 0; i < N; i++){
        scanf(" %d",&lst[i]);
    }

    int cont = 0;

    for(int i = 0; i < N; i++){
        while(!b.empty() && b.back() > lst[i]){
            b.pop_back();
            cont++;
        }
        if(lst[i] == 0) continue;
        if(b.empty() || b.back() != lst[i]) b.push_back(lst[i]);
    }

    cont += b.size();

    printf("%d\n",cont);
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:9:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |     scanf(" %d",&N);
      |     ~~~~~^~~~~~~~~~
Main.cpp:12:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |         scanf(" %d",&lst[i]);
      |         ~~~~~^~~~~~~~~~~~~~~
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