Files

104 lines
1.6 KiB
C++

/*
VIM: let g:lcppflags="-std=c++11 -O2 -pthread"
VIM: let g:wcppflags="/O2 /EHsc /DWIN32"
*/
#include <assert.h>
#include <iostream>
#include <sstream>
#include <fstream>
#include <iomanip>
#include <exception>
#include <stdexcept>
#include <map>
#include <set>
#include <list>
#include <vector>
#include <string>
#include <memory>
#include <functional>
#include <algorithm>
#include <utility>
#include <limits>
#include <math.h>
typedef long long ll;
typedef std::vector<ll> vec;
void check(bool b) { if (!b) std::cerr << "error" << std::endl; }
#define FOR(i,l) for ( ll i =0, ie = ll(l); i<ie; ++i )
/*
Read n values into v
*/
template <class V>
void readv(V& v, int n)
{
v.reserve(n);
for (int i = 0; i < n; ++i)
{
typename V::value_type e;
std::cin >> e;
check(!std::cin.fail());
v.push_back(e);
}
}
/*
Problem
*/
int solve_puzzle()
{
ll smax;
std::string s;
std::cin >> smax >> s;
assert( s.size() == smax+1 );
int c = 0;
int z = 0;
for (int i = 0; i < (int)s.size(); ++i)
{
if (z < i)
{
c += i - z;
z = i;
}
z += s[i]-'0';
}
return c;
}
int main(void)
{
try{
srand((unsigned)time(NULL));
int puzzle_count;
std::cin >> puzzle_count;
std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
for (int i = 1; i <= puzzle_count; i++)
{
std::cout << "Case #" << i << ": ";
auto r = solve_puzzle();
std::cout << r << std::endl;
}
return 0;
}
catch (const std::exception& e)
{
std::cerr << std::endl
<< "std::exception(\"" << e.what() << "\")." << std::endl;
return 2;
}
catch (...)
{
std::cerr << std::endl
<< "unknown exception." << std::endl;
return 1;
}
}