Submission #1153961

#	Time	Username	Problem	Language	Result	Execution time	Memory
1153961		salmon	Po (COCI21_po)	C++20	20 / 70	8 ms	1092 KiB

Main

#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(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]);
      |         ~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 20 / 70