| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 944247 |
2024-03-12T12:39:51 Z |
Zero_OP |
Meteors (POI11_met) |
C++14 |
|
905 ms |
38808 KB |
#include<bits/stdc++.h>
using namespace std;
using int64 = int64_t;
#define int long long
#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);
signed 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){
update(l, val);
update(r + 1, -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];
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){
vector<int> query_indices;
FOR(i, 1, n){
if(l[i] <= r[i]){
mid[i] = (l[i] + r[i]) >> 1;
query_indices.pb(i);
}
}
if(query_indices.empty()) break;
sort(range(query_indices), [&](int i, int j){
return mid[i] < mid[j];
});
FenwickTree BIT(m);
int j = 1;
REP(i, sz(query_indices)){
int id = query_indices[i];
while(j <= mid[id]){
if(u[j] <= v[j]){
BIT.update_range(u[j], v[j], c[j]);
}
else{
BIT.update_range(1, v[j], c[j]);
BIT.update_range(u[j], m, c[j]);
}
++j;
}
int64 sum = 0;
for(int x : owned_sections[id]){
sum += BIT.query(x);
}
if(sum >= p[id]){
r[id] = mid[id] - 1;
ans[id] = mid[id];
}
else l[id] = mid[id] + 1;
}
}
}
void process(){
parallel_binary_search();
FOR(i, 1, n){
if(ans[i] == -1) cout << "NIE\n";
else cout << ans[i] << '\n';
}
}
Compilation message
met.cpp: In function 'int main()':
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".inp", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
met.cpp:62:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
62 | freopen(task".out", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
25180 KB |
Output is correct |
| 2 |
Correct |
4 ms |
25180 KB |
Output is correct |
| 3 |
Correct |
4 ms |
25176 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
25180 KB |
Output is correct |
| 2 |
Correct |
5 ms |
25180 KB |
Output is correct |
| 3 |
Correct |
5 ms |
25180 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
43 ms |
28372 KB |
Output is correct |
| 2 |
Correct |
93 ms |
29048 KB |
Output is correct |
| 3 |
Correct |
77 ms |
28860 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
70 ms |
28612 KB |
Output is correct |
| 2 |
Correct |
72 ms |
28600 KB |
Output is correct |
| 3 |
Correct |
92 ms |
29008 KB |
Output is correct |
| 4 |
Correct |
29 ms |
26576 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
67 ms |
28512 KB |
Output is correct |
| 2 |
Correct |
83 ms |
28940 KB |
Output is correct |
| 3 |
Correct |
22 ms |
27228 KB |
Output is correct |
| 4 |
Correct |
75 ms |
28888 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
35 ms |
28116 KB |
Output is correct |
| 2 |
Correct |
88 ms |
28628 KB |
Output is correct |
| 3 |
Correct |
49 ms |
28448 KB |
Output is correct |
| 4 |
Correct |
99 ms |
29088 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
887 ms |
38808 KB |
Output is correct |
| 2 |
Incorrect |
728 ms |
33428 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
905 ms |
38636 KB |
Output is correct |
| 2 |
Incorrect |
670 ms |
33448 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
