Submission #48393

#	Time	Username	Problem	Language	Result	Execution time	Memory
48393		ernestvw	Weighting stones (IZhO11_stones)	C++11	0 / 100	1088 ms	1584 KiB

stones

#include <iostream>
#include <algorithm>
#include <vector>

using namespace std;

int nbStones;
int suffix[100001];

int main(){
    scanf("%d", &nbStones);
    for(int i = 1; i <= nbStones; i++) suffix[i] = 0;
    int maxi = 0;
    int mini = 0;
    for(int q = 1; q <= nbStones; q++){
        int indice, side;
        scanf("%d%d", &indice, &side);
        for(int i = 1; i <= nbStones; i++)
            if(i <= indice)
                suffix[i]+=(side==1?1:-1);
        maxi=0,mini=0;
        for(int i=1;i<=nbStones;i++)
            maxi=max(maxi, suffix[i]), mini=min(mini, suffix[i]);
        if(maxi>0 and mini<0)printf("?");
        else if(maxi==0 and mini==0)printf("?");
        else if(maxi>0)printf(">");
        else if(mini<0)printf("<");
        printf("\n");
    }
}

Compilation message (stderr)

stones.cpp: In function 'int main()':
stones.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &nbStones);
     ~~~~~^~~~~~~~~~~~~~~~~
stones.cpp:17:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d", &indice, &side);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 100