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OI-codes/Hydro/system_test/3/3.cpp

40 lines
599 B
C++

#include <bits/stdc++.h>
using namespace std;
int n;
inline int read() {
int x = 0, w = 1;
char c;
while (!isdigit(c)) {
if (c == '-') w = -1;
c = getchar();
}
while (isdigit(c)) {
x = x * 10 + (c - '0');
c = getchar();
}
return x * w;
}
void write(int x) {
if (x < 0) {
putchar('-');
x = -x;
}
if (x > 9) write(x / 10);
putchar(x % 10 ^ 48);
return;
}
int main() {
n = read();
for (int i = 1; i <= n; i++) {
write(i);
putchar(' ');
}
putchar('\n');
return 0;
}