Main test for problem C2 is not strong enough (For codeforces global round 5.)
There are some users who submit the same code for C1 and C2, but get main test failed for C1 and passed for C2.
This JavaScript code shows that there are 12 users who passed C1 and failed C2: (run this in the developer console on a Codeforces page)
<spoiler summary="Code">
```js
function sleep(ms){
return new Promise(function(resolve,reject){
setTimeout(resolve,ms)
})
}
async function custom_test(source,programTypeId,input){
// There's no official API
// adapt from CF customtest js code
const data=await $.post('/data/customtest',{
csrf_token: Codeforces.getCsrfToken(),
source: source,
sourceCode: source,
tabSize: 4,
programTypeId: programTypeId,
input: input,
output: '', // not
_tta: 510, // ?
communityCode: '',
action: 'submitSourceCode',
})
while(true){
sleep(2500)
const response=await $.post("/data/customtest", {
communityCode: "",
action: "getVerdict",
customTestSubmit...
", 54:"GNU G++17 7.3.0", 2:"Microsoft Visual C++ 2010", 59:"Microsoft Visual C
++ 2017", 9, ++14 6.4.0", 54:"GNU G++17 7.3.0", 2:"Microsoft Visual C++ 2010", 59:"Microsoft
Visual C
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Обсуждение Быстрое умножение по модулю
