Submission #258207

#	Time	Username	Problem	Language	Result	Execution time	Memory
258207		cheeheng	Restore Array (RMI19_restore)	C++14	7 / 100	14 ms	512 KiB

restore

#include <bits/stdc++.h>
using namespace std;

int A[25];

int l[10005];
int r[10005];
int k[10005];
int value[10005];

int main(){
    int N, M;
    scanf("%d%d", &N, &M);

    bool subtask2 = true;
    for(int i = 0; i < M; i ++){
        scanf("%d%d%d%d", &l[i], &r[i], &k[i], &value[i]);
        subtask2 &= (k[i] == 1);
    }

    if(subtask2){
        for(int i = 0; i < M; i ++){
            if(value[i] == 1){
                for(int k = l[i]; k <= r[i]; k ++){
                    A[k] = 1;
                }
            }
        }

        bool boleh = true;
        for(int i = 0; i < M; i ++){
            int cnt0 = 0;
            for(int j = l[i]; j <= r[i]; j ++){
                cnt0 += (A[j] == 0);
            }
            if(cnt0 < k[i] && value[i] == 0){
                boleh = false;
                break;
            }else if(cnt0 >= k[i] && value[i] == 1){
                boleh = false;
                break;
            }
        }

        if(boleh){
            for(int i = 0; i < N; i ++){
                printf("%d ", A[i]);
            }
            printf("\n");
            //return 0;
        }else{
            printf("-1\n");
        }
        return 0;
    }

    for(int i = 0; i < (1<<N); i ++){
        for(int j = 0; j < N; j ++){
            A[j] = (i&(1<<j)) != 0;
        }

        bool boleh = true;
        for(int i = 0; i < M; i ++){
            int cnt0 = 0;
            for(int j = l[i]; j <= r[i]; j ++){
                cnt0 += (A[j] == 0);
            }
            if(cnt0 < k[i] && value[i] == 0){
                boleh = false;
                break;
            }else if(cnt0 >= k[i] && value[i] == 1){
                boleh = false;
                break;
            }
        }

        if(boleh){
            for(int i = 0; i < N; i ++){
                printf("%d ", A[i]);
            }
            return 0;
        }
    }

    printf("-1");
    return 0;
}

Compilation message (stderr)

restore.cpp: In function 'int main()':
restore.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &N, &M);
     ~~~~~^~~~~~~~~~~~~~~~
restore.cpp:17:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%d%d", &l[i], &r[i], &k[i], &value[i]);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 0 / 13
• Subtask 3: 0 / 25
• Subtask 4: 0 / 55