Submission #251267

#	Time	Username	Problem	Language	Result	Execution time	Memory
251267		jimmy123	Lollipop (POI11_liz)	C++14	0 / 100	13 ms	8704 KiB

liz

#include <stdio.h>

using namespace std;
const int MAX_NUM = 1000000;
char data[MAX_NUM+1];
int location[2*MAX_NUM+1]={0};

int main(){
    int num=0, query=0, cnt=1, pos=0, first_W=-1, last_W=-1, range, i;
    bool isfirst = true;
    scanf("%d%d%s", &num, &query, data);
    
    for(i=0;i<num;++i){
        if(data[i] == 'W'){
            pos += 1;
            last_W = pos;
            if(isfirst){
                first_W = pos;
                isfirst = false;
            }
        }
        else
            pos += 2;
        location[pos] = cnt;
        cnt += 1;
    }
    /*
    for(i=0;i<query;++i){
        if(i != 0)
            printf("\n");

        scanf("%d", &range);
        if(location[range] != 0){
            printf("1 %d", location[range]);
            continue;
        }
      if(first_W != -1 && first_W < range){
            if(location[first_W+range] != 0){
                printf("%d %d", location[first_W]+1, location[first_W+range]);
                continue;
            }
            else if(location[first_W+range-1] != 0){
                printf("%d %d", location[first_W-1]+1, location[first_W+range-1]);
                continue;
            }
        }
            
        if(last_W != -1 && last_W > range){
            if(location[last_W-range] != 0){
                printf("%d %d", location[last_W-range]+1, location[last_W]);
                continue;
            }
            else if(location[last_W-range-1] != 0){
                printf("%d %d", location[last_W-range-1]+1, location[last_W-1]);
                continue;
            }
        }
        // 找不到解
        printf("NIE");
    }
    //delete []data;
    */

    return 0;
}

Compilation message (stderr)

liz.cpp: In function 'int main()':
liz.cpp:9:39: warning: variable 'first_W' set but not used [-Wunused-but-set-variable]
     int num=0, query=0, cnt=1, pos=0, first_W=-1, last_W=-1, range, i;
                                       ^~~~~~~
liz.cpp:9:51: warning: variable 'last_W' set but not used [-Wunused-but-set-variable]
     int num=0, query=0, cnt=1, pos=0, first_W=-1, last_W=-1, range, i;
                                                   ^~~~~~
liz.cpp:9:62: warning: unused variable 'range' [-Wunused-variable]
     int num=0, query=0, cnt=1, pos=0, first_W=-1, last_W=-1, range, i;
                                                              ^~~~~
liz.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%s", &num, &query, data);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 8
• Subtask 2: 0 / 8
• Subtask 3: 0 / 8
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• Subtask 12: 0 / 9