This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <iostream>
using namespace std;
///nu ai format x, dar ai format x-1=> pot x + 1
///ai format x si ai 1 langa dar n ai format x-1 => ?
///NU ai format x + 1 => NU ai 1[x-1]1 sau [x-1]2 => nu ai format x-1?????? sau e izolat la un capat 1[x-1] aaaa poti sa faci cu sufix ca sa scapi
///OK deci ca sa fie posibil sa ai x-1 tb sa ai x+1; iei sufix/prefix separat
///ai x + 1 => ca sa ai x- 1 tb sa ai un 1[x-1]1 sau [x-1]2 pai cam ai mereu
const int nmax = 2e6 + 5;
struct ura{
int x, y;
};
ura sol[nmax];
int v[nmax];
char car[nmax];
int main()
{
int n, q, i, s = 0;
cin >> n >> q;
cin >> car + 1;
for (i = 1; i <= n; i++)
{
if (car[i] == 'T')
v[i] = 2;
else
v[i] = 1;
sol[v[i]] = {i, i};
s += v[i];
sol[s] = {1, i};
}
s = 0;
for (i = n; i; i--)
{
s += v[i];
sol[s] = {i, n};
}
for (i = 2 * n; i; i--)
{
if (sol[i].x)
continue;
if (!sol[i + 2].x)
continue;
int x = sol[i + 2].x;
int y = sol[i + 2].y;
if (v[x] == 2)
sol[i] = {x + 1, y};
else
if (v[y] == 2)
sol[i] = {x, y - 1};
else
sol[i] = {x + 1, y - 1};
}
while(q--)
{
cin >> i;
if (!sol[i].x)
cout << "NIE";
else
cout << sol[i].x << " " << sol[i].y;
cout << '\n';
}
return 0;
}
Compilation message (stderr)
liz.cpp: In function 'int main()':
liz.cpp:20:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
20 | cin >> car + 1;
| ~~~~^~~
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