# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
956422 |
2024-04-01T19:36:32 Z |
peteza |
Gap (APIO16_gap) |
C++14 |
|
0 ms |
0 KB |
#include "gap.h"
#include <iostream>
#include <vector>
#include <utility>
using ll = long long;
const ll inf = 2e18;
long long findGap(int T, int N) {
if(T==1) {
ll cmin=0, cmax=inf, l=0, r=0;
std::vector<ll> v1, v2;
while(cmin <= cmax && v1.size() + v2.size() < N) {
MinMax(cmin, cmax, &l, &r);
if(l == -1) break;
v1.push_back(l); if(l != r) v2.push_back(r);
cmin = l+1; cmax = r-1;
}
ll amax = v2.back() - v1.back();
for(int i=0;i<v1.size()-1;i++) amax = std::max(amax, v1[i+1] - v1[i]);
for(int i=0;i<v2.size()-1;i++) amax = std::max(amax, v2[i] - v2[i+1]);
return amax;
} else {
ll rmin, rmax, l, r;
MinMax(0, inf, &rmin, &rmax);
ll amax = (rmax-rmin)/(n-1), i=1;
i=amax;
while(rmin < rmax) {
for(;i<=inf;i<<=1) {
MinMax(rmin+1, rmin+i, &l, &r);
if(l != -1) break;
}
//if(i >= amax) i >>= 1;
// i = std::max(i, 1ll);
amax = std::max(amax, l-rmin);
i=amax;
rmin = r;
}
return amax;
}
}
Compilation message
gap.cpp: In function 'long long int findGap(int, int)':
gap.cpp:12:47: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
12 | while(cmin <= cmax && v1.size() + v2.size() < N) {
| ~~~~~~~~~~~~~~~~~~~~~~^~~
gap.cpp:19:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
19 | for(int i=0;i<v1.size()-1;i++) amax = std::max(amax, v1[i+1] - v1[i]);
| ~^~~~~~~~~~~~
gap.cpp:20:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
20 | for(int i=0;i<v2.size()-1;i++) amax = std::max(amax, v2[i] - v2[i+1]);
| ~^~~~~~~~~~~~
gap.cpp:25:26: error: 'n' was not declared in this scope
25 | ll amax = (rmax-rmin)/(n-1), i=1;
| ^
gap.cpp:26:7: error: 'i' was not declared in this scope
26 | i=amax;
| ^