| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 944251 |
2024-03-12T12:51:15 Z |
Zero_OP |
Meteors (POI11_met) |
C++14 |
|
1430 ms |
65536 KB |
#include<bits/stdc++.h>
using namespace std;
using int64 = int64_t;
#define REP(i, n) for(int i = 0, _n = n; i < _n; ++i)
#define REPD(i, n) for(int i = n - 1; i >= 0; --i)
#define FOR(i, l, r) for(int i = l, _r = r; i <= _r; ++i)
#define FORD(i, r, l) for(int i = r, _l = l; i >= _l; --i)
#define left __left
#define right __right
#define prev __prev
#define next __next
#define div __div
#define pb push_back
#define pf push_front
#define sz(v) (int)v.size()
#define range(v) begin(v), end(v)
#define compact(v) v.erase(unique(range(v)), end(v))
#define debug(v) "[" #v " = " << (v) << "]"
template<typename T>
bool minimize(T& a, const T& b){
if(a > b){
a = b;
return true;
}
return false;
}
template<typename T>
bool maximize(T& a, const T& b){
if(a < b){
a = b;
return true;
}
return false;
}
template<int dimension, class T>
struct vec : public vector<vec<dimension - 1, T>> {
static_assert(dimension > 0, "Dimension must be positive !\n");
template<typename... Args>
vec(int n = 0, Args... args) : vector<vec<dimension - 1, T>>(n, vec<dimension - 1, T>(args...)) {}
};
template<class T>
struct vec<1, T> : public vector<T> {
vec(int n = 0, T val = T()) : vector<T>(n, val) {}
};
void init(void);
void process(void);
int main(){
ios_base::sync_with_stdio(0); cin.tie(0);
#define task "antuvu"
if(fopen(task".inp", "r")){
freopen(task".inp", "r", stdin);
freopen(task".out", "w", stdout);
}
int T = 1; //cin >> T;
while(T--) {
init();
process();
}
return 0;
}
struct FenwickTree{
vector<int64> bit;
FenwickTree(int n) : bit(n + 1, 0) {}
void update(int id, int64 val){
for(; id < sz(bit); id += id & (-id)){
bit[id] += val;
}
}
int64 query(int id){
int64 sum = 0;
for(; id > 0; id -= id & (-id)){
sum += bit[id];
}
return sum;
}
void update_range(int l, int r, int64 val){
if(l <= r){
update(l, val);
update(r + 1, -val);
}
else{
swap(l, r);
update(1, val);
update(l + 1, -val);
update(r, val);
}
}
};
const int MAX = 3e5 + 5;
int n, m, k, o[MAX], p[MAX], u[MAX], v[MAX], c[MAX], l[MAX], r[MAX], mid[MAX], ans[MAX];
vector<int> owned_sections[MAX], indices[MAX];
void init(){
cin >> n >> m;
FOR(i, 1, m){
cin >> o[i];
owned_sections[o[i]].pb(i);
}
FOR(i, 1, n){
cin >> p[i];
}
cin >> k;
FOR(i, 1, k){
cin >> u[i] >> v[i] >> c[i];
}
}
void parallel_binary_search(){
FOR(i, 1, n){
l[i] = 1;
r[i] = k;
ans[i] = -1;
}
while(true){
bool found = false;
FOR(i, 1, n){
if(l[i] <= r[i]){
indices[(l[i] + r[i]) >> 1].pb(i);
found = true;
}
}
if(!found) break;
FenwickTree BIT(m);
int j = 1;
FOR(i, 1, k){
BIT.update_range(u[i], v[i], c[i]);
for(int id : indices[i]){
int64 sum = 0;
for(int location : owned_sections[id]){
sum += BIT.query(location);
if(sum >= p[id]) break;
}
if(sum >= p[id]){
ans[id] = i;
r[id] = i - 1;
}
else l[id] = i + 1;
}
indices[i].clear();
}
}
}
void process(){
parallel_binary_search();
FOR(i, 1, n){
if(ans[i] < 1 or ans[i] > k) cout << "NIE\n";
else cout << ans[i] << '\n';
}
}
Compilation message
met.cpp: In function 'void parallel_binary_search()':
met.cpp:146:13: warning: unused variable 'j' [-Wunused-variable]
146 | int j = 1;
| ^
met.cpp: In function 'int main()':
met.cpp:60:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
60 | freopen(task".inp", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
met.cpp:61:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
61 | freopen(task".out", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
23128 KB |
Output is correct |
| 2 |
Correct |
5 ms |
23132 KB |
Output is correct |
| 3 |
Correct |
6 ms |
23132 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
23128 KB |
Output is correct |
| 2 |
Correct |
5 ms |
23132 KB |
Output is correct |
| 3 |
Correct |
5 ms |
23132 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
45 ms |
24520 KB |
Output is correct |
| 2 |
Correct |
80 ms |
26608 KB |
Output is correct |
| 3 |
Correct |
70 ms |
26048 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
70 ms |
25456 KB |
Output is correct |
| 2 |
Correct |
73 ms |
25532 KB |
Output is correct |
| 3 |
Correct |
76 ms |
26608 KB |
Output is correct |
| 4 |
Correct |
23 ms |
25300 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
56 ms |
24784 KB |
Output is correct |
| 2 |
Correct |
71 ms |
27324 KB |
Output is correct |
| 3 |
Correct |
37 ms |
23132 KB |
Output is correct |
| 4 |
Correct |
71 ms |
26396 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
62 ms |
24020 KB |
Output is correct |
| 2 |
Correct |
71 ms |
25516 KB |
Output is correct |
| 3 |
Correct |
52 ms |
24268 KB |
Output is correct |
| 4 |
Correct |
83 ms |
27680 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
710 ms |
40684 KB |
Output is correct |
| 2 |
Correct |
528 ms |
27996 KB |
Output is correct |
| 3 |
Correct |
174 ms |
26020 KB |
Output is correct |
| 4 |
Correct |
1194 ms |
65536 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
738 ms |
39632 KB |
Output is correct |
| 2 |
Correct |
597 ms |
28076 KB |
Output is correct |
| 3 |
Correct |
144 ms |
26664 KB |
Output is correct |
| 4 |
Correct |
1430 ms |
65536 KB |
Output is correct |
