oj.uz

Submission #224149

# Submission time Handle Problem Language Result Execution time Memory
224149 2020-04-17T08:54:16 Z SomeoneUnknown Fire (JOI20_ho_t5) C++14
0 / 100
 147 ms 9968 KB 
#include <bits/stdc++.h>
using namespace std;
typedef pair<int, int> ii;

ii mii(int a, int b){
    return make_pair(a,b);
}

int main(){
    int n, q;
    scanf("%d %d", &n, &q);
    bool constt = true;
    int str[n];
    for(int i = 0; i < n; i++){
        scanf("%d", &str[i]);
    }
    int ts[q];
    int ss[q];
    int es[q];
    for(int i = 0; i < q; i++){
        scanf("%d %d %d", &ts[i], &ss[i], &es[i]);
        if(i > 0 && ts[i] != ts[i-1]) constt = false;
    }
    if(constt){
        deque<ii> dq;
        int spfs[n+1];
        spfs[0] = 0;
        for(int i = 0; i < n; i++){
            if(i > ts[0]){
                while(dq.front().second < i-ts[0]) dq.pop_front();
            }
            while(!dq.empty() && dq.back().first < str[i]){
                dq.pop_back();
            }
            dq.push_back(mii(str[i], i));
            spfs[i+1] = spfs[i] + dq.front().first;
        }
        for(int i = 0; i < q; i++){
            printf("%d\n", spfs[es[i]]-spfs[ss[i]-1]);
        }
    }
}

Compilation message

ho_t5.cpp: In function 'int main()':
ho_t5.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &n, &q);
     ~~~~~^~~~~~~~~~~~~~~~~
ho_t5.cpp:15:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &str[i]);
         ~~~~~^~~~~~~~~~~~~~~
ho_t5.cpp:21:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d %d", &ts[i], &ss[i], &es[i]);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Incorrect 5 ms 256 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Incorrect 147 ms 9968 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Incorrect 126 ms 6264 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 107 ms 6008 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Incorrect 5 ms 256 KB Output isn't correct
3 Halted 0 ms 0 KB -