| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1065299 |
2024-08-19T06:06:47 Z |
김은성(#11116) |
Food Court (JOI21_foodcourt) |
C++17 |
|
330 ms |
16840 KB |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll INF = 3.1557e18;
ll mn[1<<19], mn2[1<<19], lazy[1<<19], setup[1<<19];
void mergenode(int v){
if(mn[2*v] < mn[2*v+1]){
mn[v] = mn[2*v];
mn2[v] = min(mn2[2*v], mn[2*v+1]);
}
else if(mn[2*v] > mn[2*v+1]){
mn[v] = mn[2*v+1];
mn2[v] = min(mn2[2*v+1], mn[2*v]);
}
else{
mn[v] = mn[2*v];
mn2[v] = min(mn2[2*v], mn2[2*v+1]);
}
}
void propagate_lazy(int v, ll val){
if(setup[2*v] != -1)
setup[2*v] += val;
else
lazy[2*v] += val;
if(setup[2*v+1] != -1)
setup[2*v+1] += val;
else
lazy[2*v+1] += val;
}
void dolazy(int v, bool op){
if(setup[v] != -1){
mn[v] = setup[v];
mn2[v] = INF;
if(!op)
setup[2*v] = setup[2*v+1] = setup[v];
}
else{
mn[v] = max(mn[v] + lazy[v], 0ll);
mn2[v] += lazy[v];
assert(mn2[v] > 0);
if(!op)
propagate_lazy(v, lazy[v]);
}
setup[v] = -1;
lazy[v] = 0;
}
void update(int v, int l, int r, int s, int e, ll d){
dolazy(v, l==r);
if(e<l || r<s)
return;
if(s<=l && r<=e){
if(mn[v] > -d){
mn[v] += d;
mn2[v] += d;
if(l != r)
propagate_lazy(v, d);
return;
}
else if(mn2[v] > -d){
mn[v] = 0;
mn2[v] += d;
if(l != r)
propagate_lazy(v, d);
return;
}
}
int mid = (l+r)/2;
update(2*v, l, mid, s, e, d);
update(2*v+1, mid+1, r, s, e, d);
mergenode(v);
}
ll pointvalue(int v, int l, int r, int idx){
dolazy(v, l==r);
if(l==r)
return mn[v];
int mid = (l+r)/2;
if(idx <= mid)
return pointvalue(2*v, l, mid, idx);
return pointvalue(2*v+1, mid+1, r, idx);
}
int main(){
int n, m, q, i, type, l, r, c, a;
ll k, b;
scanf("%d %d %d", &n, &m, &q);
assert(m==1);
memset(setup, -1, sizeof(setup));
memset(mn2, 127, sizeof(mn2));
for(i=1; i<=q; i++){
scanf("%d", &type);
if(type==1){
scanf("%d %d %d %lld", &l, &r, &c, &k);
update(1, 1, n, l, r, k);
}
else if(type==2){
scanf("%d %d %lld", &l, &r, &k);
update(1, 1, n, l, r, -k);
}
else{
scanf("%d %lld", &a, &b);
if(pointvalue(1, 1, n, a) >= b)
printf("1\n");
else
printf("0\n");
}
}
return 0;
}
Compilation message
foodcourt.cpp: In function 'int main()':
foodcourt.cpp:84:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
84 | scanf("%d %d %d", &n, &m, &q);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
foodcourt.cpp:89:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
89 | scanf("%d", &type);
| ~~~~~^~~~~~~~~~~~~
foodcourt.cpp:91:9: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
91 | scanf("%d %d %d %lld", &l, &r, &c, &k);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
foodcourt.cpp:95:9: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
95 | scanf("%d %d %lld", &l, &r, &k);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
foodcourt.cpp:99:9: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
99 | scanf("%d %lld", &a, &b);
| ~~~~~^~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
604 KB |
Execution killed with signal 6 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
604 KB |
Execution killed with signal 6 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
604 KB |
Execution killed with signal 6 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
330 ms |
16840 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
604 KB |
Execution killed with signal 6 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
348 KB |
Execution killed with signal 6 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
604 KB |
Execution killed with signal 6 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
604 KB |
Execution killed with signal 6 |
| 2 |
Halted |
0 ms |
0 KB |
- |
