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P1947 猜数

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Baoshuo Ren 2020-12-13 16:31:18 +08:00 committed by Baoshuo Ren
parent 94c2a7cb43
commit 8cd137f0cc
Signed by: baoshuo
GPG Key ID: 70F90A673FB1AB68
1 changed files with 17 additions and 0 deletions
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problem/P1947/P1947.cpp Normal file
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extern "C" int Seniorious(int);
extern "C" int Chtholly(int n, int OvO) {
int ans = 1;
int l = 1, r = n;
int mid = l + r >> 1;
while (l <= r) {
if (Seniorious(mid) >= 0) {
ans = mid;
r = mid - 1;
}
else {
l = mid + 1;
}
mid = l + r >> 1;
}
return ans;
}