提出 #59603941

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ソースコード 拡げる

#include<stdio.h>
#include<bits/stdc++.h>
using namespace std;
long long n;
int m;
long long sum;
int a[1000000],b[1000000];
int main(){
	scanf("%lld %d",&n,&m);
	for (int i=0;i<m;i++){
		scanf("%d",&a[i]);
		if(i==0){
			if(a[i]!=1){
				printf("-1\n");
				return 0;
			}
		}
	}
	for (int i=0;i<m;i++){
		scanf("%d",&b[i]);
		if(i==m-1){
			if(n-a[i]+1<b[i]){
				printf("-1\n");
				return 0;
			}
		}
	}
	for (int i=0;i<m-1;i++){
		if(a[i+1]-a[i]>b[i]){
			printf("-1\n");
			return 0;
		} 
		sum+=(2*b[i]-1-(a[i+1]-a[i]-1))*(a[i+1]-a[i]-1)/2;
		b[i+1]+=(b[i]-(a[i+1]-a[i]));
	}
	sum+=b[m-1];
	if(b[m-1]!=n-a[m-1]+1){
		printf("-1\n");
		return 0;
	}
	printf("%d\n",sum-1);
	return 0;
}

提出情報

コンパイルエラー

Main.cpp: In function ‘int main()’:
Main.cpp:41:18: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=]
   41 |         printf("%d\n",sum-1);
      |                 ~^    ~~~~~
      |                  |       |
      |                  int     long long int
      |                 %lld
Main.cpp:9:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
    9 |         scanf("%lld %d",&n,&m);
      |         ~~~~~^~~~~~~~~~~~~~~~~
Main.cpp:11:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   11 |                 scanf("%d",&a[i]);
      |                 ~~~~~^~~~~~~~~~~~
Main.cpp:20:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   20 |                 scanf("%d",&b[i]);
      |                 ~~~~~^~~~~~~~~~~~

ジャッジ結果