Out-CodeThe Competition.

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500+Curated Problems

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< 50msJudge Latency

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ICPC & IOILevel Problems

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AI-PoweredMentor System

solution.cpp

input.txt

solution.cppCMakeLists.txt

#include <iostream>

#include <vector>

using namespace std;

int main() {

int n, q;

cin >> n >> q;

vector<int> arr(n);

for(int i=0; i<n; ++i) {

cin >> arr[i];

}

return 0;

}

Integrated Terminal

~ $ g++ -O3 solution.cpp

~ $ ./a.out < test_01.in

Test 1 Passed (12ms)

Test 2 Passed (15ms)

AI Mentor

Analyzing O(N) approach...

Great start! To handle the range queries efficiently, consider precomputing a prefix sum array. This will reduce your query time from O(N) to O(1).

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Distraction-Free IDE

Monaco-powered editor with syntax highlighting, Vim mode, and multi-language support. C++, Python, Java, Rust — all in one tab.

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Spoiler Protection

Hide tags and difficulties to simulate real Olympiad conditions.

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AI Mentor that teaches, not spoils.

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