#include<bits/stdc++.h>
using namespace std;
#define inf 0x3f3f3f3f
#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
#define fi first
#define se second
#define N 1000006
typedef long long ll;
typedef pair<int, int> ii;
template<class X, class Y>
inline bool maximize(X &x, const Y &y) {return (x < y ? x = y, 1 : 0);}
template<class X, class Y>
inline bool minimize(X &x, const Y &y) {return (x > y ? x = y, 1 : 0);}
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int Random(int l, int r) {
return uniform_int_distribution<int>(l, r)(rng);
}
int readInt() {
bool minus = false;
int result = 0;
char ch;
ch = getchar();
while(true) {
if(ch == '-') break;
if(ch >= '0' && ch <= '9') break;
ch = getchar();
}
if(ch == '-') minus = true; else result = ch - '0';
while(true) {
ch = getchar();
if (ch < '0' || ch > '9') break;
result = result * 10 + (ch - '0');
}
if(minus)
return -result;
else
return result;
}
int cnt[N], numBalloon;
void process() {
cin >> numBalloon;
int res(0);
for (int i = 1; i <= numBalloon; ++i) {
int height;
cin >> height;
if(!cnt[height + 1]) {
++res;
} else {
--cnt[height + 1];
}
++cnt[height];
}
cout << res;
}
int main() {
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
// freopen("baloni.inp", "r", stdin);
// freopen("baloni.out", "w", stdout);
process();
return 0;
}
Compilation message
baloni.cpp:6: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
6 | #pragma GCC optimization ("O3")
|
baloni.cpp:7: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
7 | #pragma GCC optimization ("unroll-loops")
|
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
61 ms |
340 KB |
Output is correct |
6 |
Correct |
58 ms |
332 KB |
Output is correct |
7 |
Correct |
40 ms |
212 KB |
Output is correct |
8 |
Correct |
39 ms |
320 KB |
Output is correct |
9 |
Correct |
46 ms |
212 KB |
Output is correct |
10 |
Correct |
44 ms |
340 KB |
Output is correct |